Question

✴✴explain the photoelectric effect?

Answer 1

The photoelectric effect is the emission of electrons or other free carriers when light shines on a material. Electrons emitted in this manner can be called photo electrons.

Answer 2

ANSWER :-

✨ PHOTOELECTRIC EFFECT ✨

✴ When a particular frequency of light get a strike on over metal surface electron get ejected from metal.

✴ electron is known as photoelectron and this phenomena is known as Photoelectric effect.

✴ in periodic table top to bottom ionisation energy decreases so Photoelectric effect increases.

⚡ order of Photoelectric effect ⚡

Li < Na < K < Rb < Cs

Be < Mg < Ca < Sr < Ba

✴'Be' does not show photoelectric effect.

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