Physics, asked by mariazubair, 6 months ago

A source of 5W is emitting light of wavelength 5000Å.
(i) How many photons are incident on a surface at
distance 5m from source per second per meter?
(ii) What should be the work function of the surface so
that this light can emit photoelectrons ?

Answers

Answered by haritha646

0

Answer:

sorry I don't know the answer

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