Practice Question

1.In physics what is meant by the term body?

A body is an object.

2. If a body emits infrared to the surroundings, what will happen to the temperature of the surroundings?

Temperature of the surroundings will increase

3. As a hot object cools down, describe how the intensity of radiation emitted changes and also how the peak intensity of radiation changes.

Intensity of radiation across a wavelength range will decrease. Also the peak intensity of radiation will be at a longer wavelength