Question

When a metallic surface is illuminated

by a monochromatic light of

wavelength then the potential

difference required to stop the

ejection of electrons is

. When the

same surface is illuminated by the

light of wavelength

then the

potential difference required to stop

the ejection of electrons is

Then

for photoelectric effect, the threshold

wavelength for the metal surface will be​

Answer 1

Answer:

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Answer 2

Answer:

When a metal surface is illuminated by a monochromatic light of wave-length λ, then the potential difference required to stop the ejection of electrons is 3V.