Heat NDA Questions

NDA Physics

Heat MCQ Questions


1.
What is the SI unit of heat?
A.
Joule
B.
Calorie
C.
Watt
D.
Kelvin
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ANSWER :
A. Joule
2.
Heat is a form of
A.
Matter
B.
Energy
C.
Force
D.
Work
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ANSWER :
B. Energy
3.
The device used to measure heat is called a
A.
Thermometer
B.
Calorimeter
C.
Hygrometer
D.
Barometer
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ANSWER :
B. Calorimeter
4.
The transfer of heat by direct contact is known as
A.
Conduction
B.
Convection
C.
Radiation
D.
Sublimation
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ANSWER :
A. Conduction
5.
The First Law of Thermodynamics is also known as the law of
A.
Energy conservation
B.
Heat transfer
C.
Entropy
D.
Thermodynamic equilibrium
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ANSWER :
A. Energy conservation
6.
According to the Second Law of Thermodynamics
A.
Heat cannot flow from a colder body to a hotter body spontaneously
B.
Heat can be completely converted into work
C.
Energy can be created or destroyed
D.
None of the above
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ANSWER :
A. Heat cannot flow from a colder body to a hotter body spontaneously