Question

When electromagnetic radiation of wavelength
6.56 nm falls on surface of a metal, the electrons
emitted with a kinetic energy of 1.03 x 10-19 J, what is
the minimum energy required to remove an electron
from the metal ? Determine the threshold energy for
the metal and the maximum wavelength of
photoelectron to be emitted ?
[Ans: 3.02 x 1014 s-1, 999 nm]​

Answer 1

Answer:

When electromagnetic radiation of wavelength 300 nm falls on the surface of sodium, electrons, are emitted with a kinetic energy of 1.68 X 105 J mol-1.

Explanation:

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Answer 2

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