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The K.E of the electron is E when the in...

The K.E of the electron is E when the incident wavelength is `lamda`. To increase the K.E of the electron to 2E, the incident wavelength must be

A

`2lamda`

B

`(lamda)/(2)`

C

`(hclamda)/(Elamda+hc)`

D

`(2hclamda)/(Elamda+hc)`

Text Solution

Verified by Experts

The correct Answer is:
C
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