Question

What is photoelectric effect? What are the uses of photoelectric effect?

Answer 1

The photoelectric effect is the emission of electrons or other free carriers when light falls on a material. Electrons emitted in this manner can be called photo electrons. ... From this perspective, an alteration in the intensity of light would induce changes in the kinetic energy of the electrons emitted from the metal.
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Answer 2

$\huge\bf{Answer:-}$

• When a substance metal and nonmetal solids, liquids and gases emits electrons after absorbing energy from an electromagnetic radiation such as X-rays, visible light, etc , it is called photoelectric effect.