Matter UPSC Questions

Physics

Matter MCQ Questions


7.
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
8.
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
9.
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
10.
Who proposed the law regarding the partial pressure ?
A.
Dalton
B.
Charles
C.
Thomas
D.
Lussac
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ANSWER :
A. Dalton
11.
The efforts to detect the existence of Higgs boson particle have become frequent news in the recent past. What is/are the importance/importance's of discovering this particle?
1. It will enable us to understand as to why elementary particles have mass.
2. It will enable us in the near future to develop the technology of transferring matter from one point to another without traversing the physical space between them.
3. It will enable us to create better fuels for nuclear fission.
Select the correct answer using the codes given below.
UPSC - 2013
A.
1 only
B.
2 and 3 only
C.
1 and 3 only
D.
1, 2 and 3
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ANSWER :
A. 1 only
12.
When a teaspoon of solid sugar is dissolved in a glass of liquid water, what phase or phases are present after mixing
A.
Liquid only
B.
Solid and liquid
C.
Solid only
D.
None of the above
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ANSWER :
A. Liquid only