Physical Properties and States of Matter NDA Questions

NDA Physics

Physical Properties and States of Matter MCQ Questions


7.
The phase of matter characterized by a definite shape and volume is
A.
Solid
B.
Liquid
C.
Gas
D.
Plasma
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ANSWER :
A. Solid
8.
Which law states that the pressure of a given mass of gas is inversely proportional to its volume at constant temperature?
A.
Boyle's law
B.
Charles's law
C.
Gay-Lussac's law
D.
Avogadro's law
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ANSWER :
A. Boyle's law
9.
Which state of matter has a definite volume but no definite shape?
A.
Solid
B.
Liquid
C.
Gas
D.
Plasma
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ANSWER :
B. Liquid
10.
The unit of pressure in the SI system is
A.
Pascal (Pa)
B.
Newton (N)
C.
Joule (J)
D.
Kilogram (kg)
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ANSWER :
A. Pascal (Pa)
11.
The process of a liquid turning into a gas at the surface is called
A.
Melting
B.
Boiling
C.
Freezing
D.
Condensation
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ANSWER :
B. Boiling
12.
Which law states that equal volumes of gases at the same temperature and pressure contain equal numbers of molecules?
A.
Boyle's law
B.
Charles's law
C.
Gay-Lussac's law
D.
Avogadro's law
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ANSWER :
D. Avogadro's law