SCOPE OF PHYSICS
The subject science Is Classified into___________ Main Branches (a) 1 (b) 2 (c) 4 (d)7 Physical sciences are concerned with the properties and behavior____________ (a) living Matter (b) Non Living Matter (c) Living Mass (d) None The biological science deals with______________ (a) Non Living (b) Living thing (c) Both A and B (d) None The branch of physical science with deals with interaction of ______ And ______is called physics. (a) Work And power (b) Matter and energy (c)Mass and energy (d) None Chinese first time manufactured (a) paper (b) Salt (c) Acid (d) Base The people of Euphrates and Tigris valleys were aware of calendar and they had knowledge of (a) Math (b) Algebra (c) Geometry (d)Arithmetic The people of Indus valley were were pioneers of ____________ (a) Binary system (b) Decimal System (c) Octal system (d) Hexa system Pythagoras, Galen, ptolemy and others are famous in the field of __________ (a) Mathematics, A stronomy, Medicine (b) Mathematics, Astronomy, History (c) Math, physics, Economics (d) None Contribution made by galelio – Galile ____________ (a) 1564-1742 (b) 1571-1630 (c) 1564-1642 (d)1590-1631 Johanne Kepler laws of planetary motion __________ (a) 1570-1610 (b) 1571-1630 (c) 1545-1611 (d)1580-1601 The end of 19th century, there are two main branch of physics ___________ (a) Classical Physics And Quantum Physics (b) Molecular And Atomic Physics (c) Astro physics And medical physics (d) Nuclear And Energy Physics Ibn-al-Haitham was a great ___________ (a) Physicist (b) Mathematician (c) Chemist (d) None Ibn-E-Sina was a famous for hi s original research in the filed of (a) Mathematics (b) Chemistry (c)Medicine (d) Asronomy In CGS the fundamental unit of length is _____________ (a) Meter (b) Inch (c) Centimeter (d) Foot The “second” was redefined in __________ (a) 1950 (b) 1955 (c) 1967 (d) 1970 Mean Solar Day is the length of day measure through out the __________ (a) Hours (b) Year (c) Week (d) Month The time is that referred to rotation of the earth about its axis is called __________ (a) Constant Time (b) Universal Time (c) None of above (d) Accelerated Time The unit of Time is __________________________________. The unit of Current is ________________________________. The luminous intensity measured in _____________________. Amount of substance is measured in _____________________. Dimension used to denote the nature of ___________________. The Dimension of momentum is _________________________. The dimension of force is ______________________________. The dimension of Acceleration is ________________________. Name
S/o D/o
Total Marks 25
Marks obtained
Signature of Teacher
Chapter 02
Scalars And Vectors
Quantities which can be specified in number having appropriate units are called______. (a) Vector (b) Scalar (c) Zero vector (d) None Two or more then two scalars measured in the same system of units are equal only if they have ____________ (a) Zero magnitude and sigh (b) Equal magnitude of time (c) Same magnitude and Sign (d)-VE sign Physical quantities having both magnitude and direction with appropriate unit are called _____________. (a) Null vector (b) equal vector (c)vectors (d) Unit Vector The tail end is regarded as _________ point of vector. (a) final (b) Initial (c) Terminal (d) None The head of vector is called _____________ point. (a) Initial (b) Final (c) Both A and B (d) Terminal The vectors can be added______________ rule. (a) Head to head (b) Fail to tail (c) Head to tail (d) None The vectors can be added by law of _________________. (a)Associative (b) multiplicative (c) parallelogram (d) None A vector A in any given direction and whose magnitude to unity is referred __________. (a) Null vector (b) positive (c) negative vectors (d) unit vector A unit vector can be obtained by ________ the vector by its magnitude. (a) Adding (b) Subtracting (c) Dividing (d) Multiplying Which equation is correct for unit vector. (a)A / A = a (b) (A( / A = a (c) A / (A ( = â (d) â = A / A Velocity of body undergoing _________ which can display parallel to its self is called free vector. (a) Uniform Rotary Motion (b) Uniform translatory motion (c) Uniform Vibratory (d) None Vector having magnitude and direetion is represented by a directed line segment is called __________ (a) Vector (b) sealar (c) position vector (d) None Two vector identical in magnitude and opposite in direction is called (a) Null Zero vector (b) position (c) Unit vector (d) None The null vectors has _________ magnitude and has ____________ direction. (a)zero and no (b) zero and one (c) zero and opposite (d)None The process by which vector can be reconstituted from its components is known as _____ of a vector. (a) adding (b) Subtracting (c) Composition (d) None The product of magnitude of vectors and the cosine of the angle b/w them is called _______ (a) Vector product (b) scalar product (c) both A and B (d) None It A is parallel to B i -I 0 =__________ (a) 90o (b)60o (c) 0o (d) None 17 if A is perpendicular to B I-e 0= (a) 90o (b) 45o (c) 180o (d) 30o When two vectors are multiplied and their product comes out to be another vectors which is _____ to both these two vectors are called vectors product. (a) parallel (b) opposite (c) Perpendicular (d) None Force of 50 N acts vertically, making angle of 60o x-axis is _______ (a) 45N (b) 43.3N (c) 49 N (d) 25 N Which of the following is vector quantity __________ (a) mass (b) Energy (c) Force (d) Density Mathematically scalar product of two vectors A and B is defined as __________ (a) A.B = (A ( B Sin0 (b) A.B = A B Sin0 (c) A.B = ( A ( (B( Cos0 (d) None A x B = __________________. (a) A.B (b) B x A. (c) B x A. (d) None i.i = k.k = ___________ (a) I (b) K (c) i. (d) 0 If A and B are two non zero vectors and A x B = 0 then both vectors are ____________. (a) parallel (b) opposite (c) perpendicular (d) Equal Sealar or dot product of force and velocity are ______________. (a) work (b) Energy (c) power (d) None Scalar of dot product of force and displacement is called (a) work (b) Energy (c) power (d) velocity Ixi = jxj = hxh = _____________ (a) I (b) K (c) I (d) 0 The magnitude of product vector C i.e A x B = C, is equal to the __________ (a) product of four size (b) Area of square (c) Area of parallel gram (d) None The component vector behave like__________ (a) vectors quantities (b) sealar Quantities (c) Direction (d) Magnitude When vector is multiplied by a –Ve number its direction is (a)same (b) zero (c) changes (d) changes opposite Which quantity are scalar (a) Energy (b) velocity (c) moinentum (d)torque Rectangular component of vector A.5unit large hen it form an angle w-r-t to the x-axis 90o then (a) a x = 5 unit and ay = 5 unit (b) A x =0 and ay = 5 unit (c) A x 5 unit ay = 9 (d) None
The change of position of a body in particular direction s called it __________ (a) speed (b) acceleration (c) displacement (d) None Change of its displacement with respect to time is called _________ (a) velocity (b) acceleration (c) Force (d) Both A and B The charge of its position in particular direction is called _________ (a) Velocity (b) momentum (c) speed (d) None The rate of change of the body during this interval is defined by ________ (a) average velocity (b) motion (c) velocity (d) mass The average velocity of the body during this interval is defined by ________ (a) (b) v= displacement / Time (c) vav = (r / (r (d) Both B and C A body is send to have _______ if it travels equal distance in equal intervals of time is in a given direction (a)uniform velocity (b) average velocity (c) average acceleration (d) circular velocity Whenever there is a change in the velocity of a body the is said passes _____________ (a) declaration (b) acceleration (c)retardation (d) Motion If the velocity of the body is decreasing the acceleration is _________ (a) +VE (b) –VE (c) Association (d) None The negative acceleration is also known as contribution made by Galelio Galile________ (a) Declaration (b) force (c) retardation (d) None The unit of acceleration is ___________ (a) m/s2 (b)m/s (c) m/a2 (d)ft/s2 Newton’s first law of motion consist on ___________part (a)4 (b) 3 (c) 2 (d) 1 The value of “g” is ______________ (a) 6.11m/s2 (b) 9.8m/s (c) 9.7m/s2 (d)9.8m/s2 The 1st law of motion is also called law of ______________ (a) Motion (b) mass of action (c) inertia (d)moinentum A body remains are at rest or continuous to move with uniform velocity unless acted upon by an ____________ force (a) balaneed (b) unbalanced (c) equal (d) unequal That property of _______ by virtue if it is in state in rest or motion ___________ (a) motion and rest (b) motion and force (c) inertia and matter (d) None Which equation is correct for the iind law of motion (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d) (a) (b) (c) (d)
Chapter 04
Projectile Motion
An object is given initial velocity Vo and follows a path determined by gravitational force acting on it and by the friction of atmosphere is called __________. (a) Trajectory (b)Two Dimensional Motion (c)projectile (d) None Path following by a projectile is called its ______________. (a) Max: height (b) projectile Motion (c) Projectile (d) None Initial velocity in horizontal direction is __________. (a) Vox (b) Voy (c) Vo (d) None Initial yelocity of Vo of shell can be resulted into ______________. (a) Two rectangular Components (b)Rectangular Components (c) Cartesian rectangular Components (d) Which formula is correct for max: height of projectile _____________. (a)h= VoSin0 / g (b) h= Vo2Sin20 /2g (c) h= Vo2Sin20 / g (d) None Total flight requires a time that is ______________. (a)Twice Time (b) Once Time (c) Single Time (d) Both B and C Projectile must be launched at an angle of __________. (a) 90o (b) 45o (c) 60o (d) 30o Projectile must be launched at an angle of ______________. (a) parabola (b) hyperbola (c) square (d) None Time of flight of projectile is given by T= __________. (a)Vo2 Sin20/2g (b) VoSin0/g (c) 2VoSin0/g (d) VoSin20/g Distance covered by a body along horizontal is called _________. (a) Vertical distance (b)Horizontal distance (c) velocity (d) None Which formula is correct for maximum Horizontal Range of projectile ________. (a) Vo2 /2g (b) 2vo2Sin20/g (c) Vo2/g (d) Vo/g2 Rate of change of angular displacement is measured in ________ (a)linear velocity (b) Angular Velocity (c) Angular speed (d) None Angular displacement is measured in _________ (a) Degree (b) m/s (c) radians (d) Both A and C Rate of change of angular velocity with respect to time is called _______ (a) linear Acceleration (b) Angular acceleration (c) Angular Displacement (d) None Angular velocity Omega is given by __________. (a) (=0t (b) (=0/t (c)(=t/0 (d) (=t-0 Dimension of angular velocity (a) Lt2 (b) LT-1 (c) T-1 (d) L-1 T2 The dimension of angular acceleration is (a) T2 (b) T-1 (c) LT-1 (d) T-2 17 linear and angular acceleration is related by (a) a= r a (b) a= r ( (c) a = r / ( (d) r = a ( The S.I Unit of angular acceleration is _________ (a) rad./s (b) rad x s (c) rad.s2 (d) rev:/s Angle subtended at the center of the circle, where are length ”s” is exactly equal to the radius of the circle is called _________________________________. (a) degree (b) revolution (c) radian (d) minute Circumference of the circle is ____________. (a) 2(r (b) ( / r (c) (r2 (d) (2 / r Relation between linear and angular velocity is __________. (a) V = r ( (b) V = r2 (2 (c) V = r ( 2 (d) None One radian is equal to _____________. (a)57.4o (b) 59.4o (c) 57.3o (d) 58.0o (Radian is equal to __________ (a)90o (b) 180o (c) 360o (d) 270o 2( Radian is equal to __________. (a) 360o (b) 270o (c) 90o (d) 180o A body is moving in circular track with circular motion then time period is given by ____. (a) T = 2 (/( (b) 2(=(T (c) T= 2(2 / ( (d) none Time required to complete one revolution is called. (a) Vibration (b) periodic Motion (c) Time period (d) frequency The angular speed ( and time period t are __________ related. (a)Inversely (b) directly (c) not inversely (d) None The acceleration is produced by virtue of changing direction of velocity of an object moving in circular path is called ________________. (a)acceleration (b) angular velocity (c)Angular acceleration (d) centripetal Acc: The magnitude of centripetal acceleration is given by ac =__________. (a)V2 /r (b) mv2/r (c) (2r (d) None Centripetal Force performs _________________. (a) max: work (b) –ve work (c) no work (d) mini: work The force is directed along the length of the string toward the center of the circle is called ________ (a) Centrifugal force (b) Centripetal Force (c) Tangential Force (d) None Angular velocity (, the centripetal force fc is Given By __________ (a) m(2 /r (b) m(2r (c) m(/r2 (d) None A car traveling at a constant speed of 72 km/ hr rounds a curve of radius 100 m then ace: (a) 2m/s (b) 4m/s2 (c) 5m/ s2 (d) 1.5m/s2 The unit of angular velocity is (a) rad./s (b) rev /s (c) degree /s (d) all of these A car is moving with speed of 30 m/s.the diameter of wheel is 1.5 m angular speed of car is _________ (a) 20 rad./s (b) 15rad./s (c) 40rad./s (d) none of these A wheel is im In diameter, when it makes 30rev/min, the linear speed of a point on circumference in m/s is (a) ( (b) ( / s (c) 120( (d) 3.14 m/s
Chapter 05
Torque, Angular Momentum And Equilibrium.
Torque is the ordinary product of ___________. (a) Force and its moment arm (b) Force and its velocity (c) position vector and its momentum (d) None The torque is _______ quantity. (a) scalar (b) vector (c) None (d) Torque is also called ___________. (a) moment of force (b) momentum (c) momentum arm (d) none Torque acting on the particle is given by (a) (b) (c) (d) The turning effect of a force, produced in a body about an axis of rotation is called _____ (a) velocity (b) torque (c) couple (d) centre of mass Perpendicular distance from a fixed point is called __________. (a) moment of arm (b) moment of force (c) moment of inertia (d)None Two forces constitute couple are __________. (a) equal in magnitude (b) opposite in direction (c) not acting along the same line (d) all of these A body is rest or in motion , all forces acting on it balanced each other then body is called (a) dynamic equilibrium (b) static equilibrium (c) rotational equilibrium (d) stable equilibrium A body is in uniform motion is called ________. (a) neutral equilibrium (b) stable equilibrium (c) dynamic equilibrium (d) None A body is rest or in motion, all forces acting on it balanced each other then body is called ______ (a) Un equilibrium (b) equilibrium (c) Static equilibrium (d) None A body will be in equilibrium if the resultant of all forces acting on it is zero is called _______ (a) static equilibrium (b) neutral equilibrium (c) 1st condition of equilibrium (d) stable equilibrium Which formula is correct for 1st condition of equilibrium. (a) ( f = o (b) ( (c) (d) Which formula is correct for 1st condition of equilibrium. (a) (b) (c) (d) The net torque on a body the rotation is produced then body Is said to be in _______. (a) 1st Condition of equilibrium (b) static equilibrium (c) rotational equilibrium (d) Dynamic Equilibrium In Rotational equilibrium the torque is ___________ (a) zero (b) –1 (c) opposite (d) None The vector product of r and p is called __________ (a) linear momentum (b) Angular momentum (c) Torque (d) None The unit of angular momentum in the S.I system is ________ (a) J-m (b) J/s (c) N-s (d) J-s The dimensions of angular momentum are given by __________. (a) LMT-1 (b) LMT-2 (c) L2MT-1 (d) None Which equation is correct for law of conservation of angular momentum _________ (a) (b) (c) (d) The angular momentum of particle is conserved if the net torque acting on it is _______ (a) infinity (b) 0 (c) constant (d) none A force of 75 N acting on a body at a distance of 2m, the moment of force is _______ (a) 37.5N-m (b) 77N-m (c) 150N-m (d)
Chapter 06
Gravitation
_______force is responsible for the motion of falling bodies and motion the planets around the sun. (a)Gravitational force (b) Nuclear force (c) Binding force (d) None of these Equation for the magnitude of the centripetal acceleration of the moon. (a)am =4(2 Rm T (b) am =(4(2/T)R2m (c)am =(4(/T2)R2m (d) am =(4(2/T2)Rm The radius of moon is ____________ (a)3.84m (b) 3.8 x 106m (c)3.8 x 105m (d) 3.84 x 108 m Time taken by the moon to complete one revolution around the earth (a)27.3days (b) 27days (c) 27.8 days (d) none of these The force of attraction between two bodies is inversely proportional to the square of _____ (a)velocity (b) masses (c) Distance (d) momentum The force of attraction between two bodies is inversely proportional to the square of _____ (a)velocity (b) mass (c) distance (d) momentum According to law of gravitation. (a)Everybody in the universe attracts every other body (b)the force of attraction is directly proportional to the product of their masses (c) the force of attraction is directly proportional to the product of their masses (d) all of these Mathematically universal law of gravitation is defined as __________ (a)GmRe2 /m2 (b) Gm1m2 /r2 (c) GR2/m1m2 (d) None Distance between two masses is doubled, the gravitational force between then is ______ (a)Half (b) Twice (c) quartered (d) Same The gravitational force between two bodies ___________ (a)Action and Reaction force (b) equilibrium (c) frictional force (d) None The value of “G” was found by _______________ (a)lord Cavendish (b)Newton (c) boyles (d) kepler In S.L system the unit of “G” is ___________________ (a)N.M / kg (b) N.M2 / kg2 (c) N2 .M /Kg (d) N-M If the mass of two bodies be doubled, then the force between the bodies will be _____. (a)single time (b) Three Times (c) same (d) four times Which formula is correct for the mass of earth. (a)Me = Re2 /G (b) Me = Gme / re2 (c) me =gRe2/g (d) Me x G = Re2 The numerical value of mass of earth is ___________ (a)6.38 x 106kg (b) 6.29 x 107kg (c) 6.28 x 103kg (d)5.98 x 1024kg Mass per unit volume is called _________ (a)matter (b) pressure (c) Density (d) None The average density of the earth which is __________ (a)5.5 x 10-1kg /cm (b)5.5 x 103kg /m3 (c) 5 x 103kg/m3 (d)None Acceleration due to gravity on the surface of earth is given by g = __________ (a)G Me / Re2 (b) Gre2/Me (c) Gre/Me (d) None Acceleration due gravity on the surface of earth is given by g = __________ (a)g-2g/Re (b) g-2re/h (c) g-2gh /re2 (d) g+ 2gh /Re The acceleration due to gravity varies inversely as the ________ distance of the body. (a)One Half (b) Half (c) Double (d) square What will be the value of “g” at a distance earth radius above earth surface ________. (a)one fourth (b) double (c) half (d) none The value of g at the center of earth _____________. (a)zero (b) 9.8m/s2 (c) 4.9m/s2 (d) –9.8m/s2 The value of g ________ with depth from surface of earth. (a)Inerease (b) Decrease (c) same (d) half The value of g _______ with depth from surface of earth. (a)increase (b) decrease (c) twice (d) half Freely falling bodies have _________ . (a)maximum weight (b) minimum weight (c) half weight (d) no weight In MKS system the unit of g is ___________ (a)m/s (b) m/s2 (c) m2s (d) none In CGS system the unit of g is _________ (a)cm/s (b) cm/s2 (c) cm2s (d) none In FPS system the unit of g is _________ (a)Ib/s (b) ft/s2 (c) ft2s (d) ft.s The value of g in FPS system is __________ (a)32ft./s2 (b) 981ft/s (c) 320ft/s (d) none The value of “G” in CGS system is __________ (a) 6.673 x 10-8 dynes –cm2 /gm2 (b) 6.673 x 10-11 dynes-cm2/gm2 (c)6.673 x 10-9 dynes-cm2 (d) none Artificial gravity can be created in space craft, by spinning it _________ (a)around its own axis (b) beyond its own axis (c) towards its own axis (d) none Artificial gravity and frequency of spinning are related by (a)( =1/2 ( (b) (c) (d) Boy has mass of 10kg in an elevator moving up with acceleration of 2m/s2 what is the weight of boy (a) (b) 125w (c) 175w (d) 105w
Test 07
Work, Power and Energy
A force acting on body while body undergoes a displacement is called (a)work (b) power (c) energy (d) all of these Work is scalar product of __________ (a)force and displacement (b) force and Velocity (c) force and acceleration (d) displacement Mathematically work is defined as _______ (a)F.V (b) F.d (c) F.a (d) F.W Work is _________ quantity. (a) scalar (b) Vector (c) both A&B (d) none of these In M.K.S system the unit of work is _______ (a)Joule (b) erg (c) ft.Ib (d) m/s In F.P.S system the unit of work is __________ (a)joule (b) Erg (c) ft.IB (d) m/s In C.G.S system the unit of work is __________ (a)joule (b) erj (c) ft.ib (d) m/s Work done by a force of Idyne moving a body through distance of Im in the direction of force is called _________ (a)1 Joule (b) I Erg (c) I ft .Ib (d) I Dyne Work done by a force of Idyne moving a body through distance of I cm in the direction of force is called (a)I joule (b) I Erg (c) I ft.Ib (d) I dyne Work done by a force of ipound moving a body through distance of ift in the direction of force is called (a)I Joule (b) I Erg (c) I ft.Pound (d) I dyne I joule = __________ (a)I N x Im (b) I N/m (c) dynes x m (d) None I Erg = ____________ (a)I N x Icm (b) I N /cm (c) Idynes x Icm (d) none Foot pound= _________ (a)I ft x im (b) I ft. x cm (c) I ft x I/b (d) none The work is positive when the component of force is in the same direction of displacement ,if the angle b/w F and d is ______ (a)0o (b) 90o (c) 270o (d) 360o The work is negative when the direction of force is in the opposite direction of displacement, it the angle b/w F and d is ______ (a) 0o (b) 90o (c) 270o (d) 180o The work is zero when the of force acts its right angles to the displacement, if the angle b/w F and D is (a)0o (b) 90o (c) 270o (d) 360o I joule= __________ erge. (a)107 (b) 105 (c) 109 (d) 103 I B.T.U = _________ (a)980J (b) 1055J (c)1050J (d) 1000J L e.x= ________ Joules. (a)1.6 x 10-5 (b) 1.6 x 10-15 (c) 1.6 x 10-19 (d) none If F and d are magnitude of F and d ,0 is the angle b/w F and d then work is ______ (a)F.d Cos0 (b) F.d sin0 (c) f.d tan0 (d) none The force with which earth attracts a body towards its center is called _______ (a)Gravitational Force (b) Magnetic Force (c) Electrostatic Force (d) atomic force When body moves in the direction of gravitational of gravitational I-e towards the earth, the work is done by the force of gravitational body is (a)positive (b) Negative (c) neutral (d) none When the body moves in the direction of the gravitational force, the corresponding work done is (a)positive (b) Negative (c) neutral (d) zero Work done in a moving a body in a gravitational field is _______ path traced by body. (a)independent (b) dependent (c) both A & B (d) None The work done in gravitational field in closed path is ___________ (a)Maximum (b) minimum (c) zero (d) none Gravitational field is ____________ (a)non-Conservative field (b) magnetic field (c) conservative field (d) Both A&B The work done b/w two point is independent of it path is called ____________ (a)magnetic field (b) gravitational force (c) Electrostatic Field (d) Conservative field Rate of doing work is called ___________ (a)force (b) Velocity (c) Energy (d) power Scalar or dot product of force and velocity is called _________ (a) work (b) power (c) momentum (d) None In S.L system the unit of power is _________ (a)Kwh (b) j-s (c) Watt (d) none In dimension of power is ________ (a) MLT-1 (b) ML2T-1 (c) ML-1T-3 (d) ML2T3 In B.E.S the unit of power is ___________ (a)kwh (b)horse power (c) I ft./ipound (d) Watt The product of power and time is called __________ (a)Force (b) Energy (c) momentum (d) Work I hp = _______________ (a)740Watts (b) 550Watts (c) 764 Watts (d) 746 Watts Work done in a one hour by an agency working at the constant rate 1kw is called _____ (a)1 hour (b) 1kw/hr (c) ikwh (d) none I kwh = _____________ (a) 3.6 x 105J (b) 36 x 104J (c)3.6 x 106J (d) 36 x 106 The capacity or ability or ability to doing work is called __________ (a) work (b)power (c) momentum (d) Energy The energy possess by a body due to its motion is called _______ (a) P.E (b) Hear Energy (c) K.E (d) Energy The energy which body possess due to change of its position is called (a) P.E (b) solar Energy (c) K.E (d) Heat energy The K.E if a body of mass “M” moving with velocity “v” given by _________ (a) 2mv (b)mv/2 (c) ½ mv2 (d) 2mv2 The formula of P.E is given by ________ (a) mg/h (b) mg/2h (c) mgh (d) 2mgh Amount of work done on a moving body from a point to infinite point is called _______ (a) Gravitational Energy (b) absolute P.E (c) K.E (d) P.E The absolute P.E is given by _______ (a)GmME/RE (b) –GMEm/RE (c) GmME /R2E (d) None Energy can neither be created nor be destroyed. It can only be transformed from one place to another place is the statement of law of _________ (a) mass of action (b) conservation of momentum (c) conservation of Energy (d) none A car has mass of 200 kg moving with velocity of 20m/s. Find its K.E. (a) 2000J (b) 20000J (c) 40000J (d) none The force of 5n acting on a body has a distance of 250 cm, then work is 1.25n (a) (b) (c) (d)
KAINAAT PUBLIC HIGHER SECONDARY SCHOOL UMERKOT
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this test is very useful for those student who are really keen to study the physics.
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