(a) List two types of waves, apart from light, that can be plane polarized.
(b) State two applications of plane polarized light.
Explanation
(a) Plane polarized waves are:
(i) radio waves
(ii) x-rays.
(iii) infrared radiation etc
(b) Application of plane polarized light
– To reduce glare from reflecting surfaces.
– In sunglasses to reduce the intensity of incident sunlight.
– To determine sugar solution concentration etc.