Radiation MCQ (Multiple Choice Questions) PDF Download

Which of the following does not belong to the list of factors that affect the rate of transfer of energy by radiation?

1. Color and texture of the surface
2. Temperature of the surface
3. Movement of air above the surface
4. Surface area

Rate of transfer of energy by radiation can be increased by

1. increasing the surface temperature
2. decreasing the surface area
3. using shiny white surfaces instead of dull and black surfaces
4. decreasing the atmospheric pressure

Process of heat transfer that involves continual emission of infrared waves from surface of bodies and transmission of these waves without aid of medium is known as

1. Conduction
2. Convection
3. Radiation
4. None of the above

Surface that would better absorb the infrared radiations is

1. Dull and white
2. Shiny and white
3. Dull and black
4. Shiny and black

Thermal energy that reaches surface of earth from sun, is transferred through process of

1. Conduction
2. Convection
3. Radiation
4. Conduction and convection