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Photoelectric threshold of silver is lam...

Photoelectric threshold of silver is `lamda=3800A`. Ultraviolet light of `lamda=2600A` is incident of a silver surface. Calculate:
a. the value of work function in joule and in eV.
b. maximum kinetic energy of the emitted photoelectrons.
c. the maximum velocity of the photoelectrons.
(Mass of the electrons`=9.11xx10^(-31)`).

A

`1.51`

B

`2.36`

C

`3.85`

D

`4.27`

Text Solution

Verified by Experts

The correct Answer is:
A
`E=W.E.+K.E.`
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