Physics one-liners for various competitive examinations

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We know the importance of general awareness, GK (General Knowledge) in various competitive exams for aspirants.

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1- First law of Thermodynamics is a special case of
a- Boyle’s law.
b-Charles law
c-Law of conservation of energy.
d-Law of conservation of momentum

2-The change in internal energy of the gas and workdone by the gas in an adiabatic process are
a-Equal
b-Unequal
c-Only numerically equal.
d-No relation.

3-The internal energy of ideal gas is independent of the gas in bulk but depends only on the
a-Pressure
b-impurities
c-Volume
d-Temperature

4-In an isothermal process the specific heat is
a-constant
b-zero
c-infinity
d-one

5-The internal energy of a system changes when it undergoes
a- an isothermal process
b- a cyclic process
c- an adiabatic process
d- any process in which the heat given out by the system is equal to the work done on the system.

6-Heat can not by itself flow from a body at lower temperature to a body at higher temperature is a statement or consequence of
a-conservation of momentum
b-conservation of mass
c-Ist law of thermodynamics
d- second law of thermodynamics.

7-Some quantity of heat is given to a substance. The quantity which determines the temperature of the body is
a- Specific heat
b- Mass
c- Water equivalent
d-Thermal conductivity

8-Zeroth law of thermodynamics was formulated by
a-Kelvin
b-Joule.
c- R.H Fowler
d-Clausius

9-If a bullet is suddenly stopped the rise in temperature is independent of
a- Material of the bullet.
b-Mass of the bullet.
c-Velocity of a bullet.
d-All the above.

10-Is it possible to change the temperature of a gas without supplying heat
a-Possible in an adiabatic process.
b-Possible in isothermal process.
c-Possible in isochoric process.
d-Possible in isobaric process.

 

Ans- 1- c; 2-c; 3-d; 4-c; 5-c; 6-d; 7-c; 8-c; 9-b; 10- a 

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