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Light of wavelength 2000Å is incident on...

Light of wavelength `2000Å` is incident on a metal surface of work function 3.0 eV. Find the minimum and maximum kinetic energy of the photoelectrons.

Text Solution

Verified by Experts

The correct Answer is:
A, C
`K_(min) = 0`
and `K_(max) = E -W
`=(12375)/(2000)- 3.0`
`~~3.19 eV`
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