Question

Photoelectric effect:

A

cannot be exhibited by liquids and gases

B

is seen in liquids as they can undergo electrolysis

C

is seen in gases as they can undergo ionisation

D

both (b) and (c)

Medium
Solution
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Correct option is D)

The effect is based on the idea that electromagnetic radiation is made of a series of particles called photons. When a photon hits an electron on a metal surface, the electron can be emitted. The emitted electrons are called photoelectrons.

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