Which word describes the process of giving out radiation?
Emission
Absorption
Transmission
Which word describes the process of taking in radiation?
Which colour is the best absorber of radiation?
White
Black
Grey
Which colour is the worst absorber?
Which colour is the worst emitter?
What is a black body?
A perfect absorber but poor emitter
A poor absorber but perfect emitter
A perfect absorber and perfect emitter
What happens to the temperature of a body that absorbs infrared radiation faster than it emits?
It decreases
It remains constant
It increases
What happens to the temperature of a body that absorbs and emits infrared radiation at the same rate?
How much radiation does a perfect black body transmit?
100% of the radiation falling on it
50% of the radiation falling on it
None of the radiation falling on it
What gases in the atmosphere change the balance of infrared radiation absorbed and emitted by the Earth?
Ozone
Radon gas
Greenhouse gases