Question

Which is least penetrating power ,gamma rays ,microwave,ultraviolet rays ,infrared rays?

Answer 1

microwave has least penetrating power

Answer 2

Hello friend,

◆ Answer - Microwaves
As microwaves have lower frequency than other 3 options, its penetrating power is less.

◆ Penetrating power of electro-magnetic radiation -
- Penetrating power of electromagnetic radiation varies with its frequency.
- Higher the frequency higher is penetrability.

# Order of penetrability of EM radiations is
Gamma rays > X-ray > Ultraviolet rays > Infrared rays > Microwaves > Radiowaves

Hope this helps...