The photoelectric effect is described as the ejection of electron… - Vidyadip

MCQ

The photoelectric effect is described as the ejection of electrons from the surface of a metal when :

A
It is heated to a high temperature
B
Electrons of suitable velocity impinge on it
✓
Light of suitable wavelength falls on it
D
It is placed in a strong magnetic field

✓

Answer

Correct option: C.

Light of suitable wavelength falls on it

c
Photoelectric effect is described as the ejection of electrons from the surface of a metal when light of wavelength less than or equal to the threshold wavelength is incident on the metal surface.

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