Matter UPSC Questions

Physics

Matter MCQ Questions


1.
The quality of matter present in an object is called
A.
Weight
B.
Gram
C.
Mass
D.
Density
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ANSWER :
C. Mass
2.
The SI unit of amount of substance is
A.
Mole
B.
Meter
C.
Ampere
D.
Joule
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ANSWER :
A. Mole
3.

CO2 can be easily liquified and even solidified because

A.

It is present in atmosphere

B.

It has more intermolecular space

C.

It has comparatively more force of attraction than other gases

D.

 It has weak forces of attraction

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ANSWER :

C. It has comparatively more force of attraction than other gases

4.
What is the constant in the ideal gas equation known as
A.
Universal gas constant
B.
Pressure constant
C.
Temperature constant
D.
Boltzmann constant
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ANSWER :
A. Universal gas constant
5.
Which of the following is the type of thermal expansion
A.
Linear expansion
B.
Superficial expansion
C.
Cubical expansion
D.
All the above
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ANSWER :
D. All the above
6.
The coefficient of linear expansion of any material depends on
A.
Length of material
B.
Shape of material
C.
Temperature difference
D.
None of the above
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ANSWER :
D. None of the above