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 multiple proportion
law of definite proportion
law of conservation of mass
law of conservation of energy
Normal type of MCQ with one correct option Which of the following statements regarding Bohr’s model is not correct?
energy is evolved when an electrons jumps from lower shell to higher shell.
nucleus is situated when an electron
energy shells have definite energy .
bohr introduces the idea of stationary states
Normal type of MCQ with one correct option Which of the following is not correct?
isotopes of an elements have same mass number
isotopes of an element have same chemical proportion
isotopes of an element have same no. of protons
isotopes of an elements have same no. of protons.
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
4
3
2
1
Normal type of MCQ with one correct option Which of the following is the biggest unit of energy?
Electron volt
erg
Kilowatt hour
Joule
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
24 times
12 times
36 times
6 times
Normal type of MCQ with one correct option The spring of the winding knob of a watch has
kinetic or potential energy
only potential energy
only kinetic energy
mechanical 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 on a plan horizontal surface
pushed over smooth roller
raised vertically upward
pushed over an inclined plan
Normal type of MCQ with one correct option In the above problem ,minimum work is done when the body is
pushed on a plan horizontal surface
pushed over smooth rollers
raised vertically upwards
pushed over an inclined plan
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?
nothing can be decided
both will cover the same distance
truck
car

all the above
potential energy
kinetic energy
work
Normal type of MCQ with one correct option The kinetic energy of body is increased most by doubling its
speed
weight
density
mass
Description:

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Discussion

Deepak arora

good test

1215 days 2 hours 44 minutes ago

santhosh

COULD BE BETTER

1270 days 15 hours 7 minutes ago

Prasanjeet

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

1365 days 21 hours 25 minutes ago

abhishek

its nice i loved it

1409 days 4 hours 30 minutes ago

shricharan

good thinking ques..

1430 days 46 minutes ago

priyanka

its very good test

1514 days 6 hours 5 minutes ago

yashika

nice

1603 days 4 hours 3 minutes ago

ANIL MISRA

good

1606 days 22 hours 55 minutes ago

garg

nice test
addu

1613 days 8 hours 18 minutes ago

Sevya Sethuraman

a very good test!!!!

1743 days 8 hours 48 minutes ago

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