Electromagnetic waves are transverse waves with a wide range of properties and uses. The reflection and refraction of light explains how people see images, colour and even optical illusions.
Which of these is not an electromagnetic wave?
Which of these groups has the highest frequency?
Which of these groups has the longest wavelength?
Which electromagnetic wave is used in satellite communication?
Which electromagnetic wave is not used for medical imaging?
Which of these electromagnetic waves is the most damaging to human tissue?
Which word describes the process of giving out radiation?
Which colour is the best absorber of radiation?
What happens to the temperature of a body that absorbs and emits infrared radiation at the same rate?
It remains constant
What gases in the atmosphere change the balance of infrared radiation absorbed and emitted by the Earth? - Higher