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the work function of metal is W and lamd...

the work function of metal is W and `lamda` is the wavelength of the incident radiation. There is no emission of photoelecrons when

A

`lamdagt(hc)/(W)`

B

`lamda=(hc)/(W)`

C

`lamdalt(hc)/(W)`

D

`lamdale(hc)/(W)`

Text Solution

Verified by Experts

The correct Answer is:
A
`(hc)/(lamda)ltWimplieslamdagt(hc)/(W)`
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