NCERT Syllabus : 10th CBSE Pattern : Science : Class Xth : Free MCQ Test

Normal type of MCQ with one correct option Deuterium is
Normal type of MCQ with one correct option Law of constant composition is same as that of
law of conservation of energy
law of conservation of mass
law of definite proportion
law of multiple proportion
Normal type of MCQ with one correct option Which of the following statements regarding Bohr’s model is not correct?
bohr introduces the idea of stationary states
energy shells have definite energy .
nucleus is situated when an electron
energy is evolved when an electrons jumps from lower shell to higher shell.
Normal type of MCQ with one correct option Which of the following is not correct?
isotopes of an elements have same no. of protons.
isotopes of an element have same no. of protons
isotopes of an element have same chemical proportion
isotopes of an elements have same mass number
Normal type of MCQ with one correct option The no. of oxygen atoms in 2.2gm of CO2 is
Normal type of MCQ with one correct option The valence of the element with atomic no. 12 is
1
2
3
4
Normal type of MCQ with one correct option Which of the following is the biggest unit of energy?
Joule
Kilowatt hour
erg
Electron volt
Normal type of MCQ with one correct option One kWh is equal to
Normal type of MCQ with one correct option If the speed of a motor car becomes six times. Then the kinetic energy becomes
6 times
36 times
12 times
24 times
Normal type of MCQ with one correct option The spring of the winding knob of a watch has
mechanical energy
only kinetic energy
only potential energy
kinetic or potential energy
Normal type of MCQ with one correct option A body is moved through a distance of 5 m in the following different ways. Maximum work is done when the body is
pushed over an inclined plan
raised vertically upward
pushed over smooth roller
pushed on a plan horizontal surface
Normal type of MCQ with one correct option In the above problem ,minimum work is done when the body is
pushed over an inclined plan
raised vertically upwards
pushed over smooth rollers
pushed on a plan horizontal surface
Normal type of MCQ with one correct option A truck and a car are moving on a smooth level road such that the kinetic energy associated with them is same. Brakes are applied simultaneously in both of them such that equal retarding forces are produced in them. Which one will cover a greater distance before it stops?
car
truck
both will cover the same distance
nothing can be decided

work
kinetic energy
potential energy
all the above
Normal type of MCQ with one correct option The kinetic energy of body is increased most by doubling its
mass
density
weight
speed
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Discussion

Q.4 IS CORRECT.IN QUESTION IT IS WRITTEN THAT WHICH OF THE FOLLOWING ARE NOT CORRECT?

172 days 12 hours 49 minutes ago

Question no.4 have not correct answer because the isotope have same atomic no. and different mass and isobars have same mass but different atomic no.

281 days 15 hours 37 minutes ago

good test

1581 days 6 hours 54 minutes ago

COULD BE BETTER

1636 days 19 hours 17 minutes ago

Nice one 1,2,3,4,5,6,7,8,9.................. gone gone and gone. E=mc2 what abt Einsteina and archimedes....

1732 days 1 hours 35 minutes ago

its nice i loved it

1775 days 8 hours 40 minutes ago

good thinking ques..

1796 days 4 hours 56 minutes ago

its very good test

1880 days 10 hours 14 minutes ago

nice

1969 days 8 hours 13 minutes ago

good

1973 days 3 hours 4 minutes ago

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