Effects of Heat NDA Questions

NDA Physics

Effects of Heat MCQ Questions


1.
The transfer of heat through a solid object without any motion of the object itself is called
A.
Conduction
B.
Convection
C.
Radiation
D.
Absorption
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ANSWER :
A. Conduction
2.
Heat is transferred from the Sun to Earth primarily through
A.
Conduction
B.
Convection
C.
Radiation
D.
Absorption
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ANSWER :
C. Radiation
3.
What is the unit for measuring heat energy in the International System of Units (SI)?
A.
Calorie
B.
Kelvin
C.
Joule
D.
Watt
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ANSWER :
C. Joule
4.
Which of the following best describes convection?
A.
Heat transfer through infrared radiation
B.
Heat transfer through electromagnetic waves
C.
Heat transfer through a solid without any movement
D.
Heat transfer through a fluid by the movement of the fluid
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ANSWER :
D. Heat transfer through a fluid by the movement of the fluid
5.
Which of the following materials is a good conductor of heat?
A.
Plastic
B.
Copper
C.
Wood
D.
Rubber
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ANSWER :
B. Copper
6.
The amount of heat required to change the temperature of 1 gram of a substance by 1 degree Celsius is called
A.
Latent heat
B.
Thermal conductivity
C.
Specific heat capacity
D.
Heat capacity
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ANSWER :
C. Specific heat capacity