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Light of wavelength 400nm is incident co...

Light of wavelength 400nm is incident continuously on a Cesium ball. (work function 1.9eV). The maximum potential to which the ball will be charged is

A

3.1 V

B

`1.2V`

C

Zero

D

infinite

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Knowledge Check

  • Light of wavelength 3000Å is incident on a metal surface whose work function is 1 eV. The maximum velocity of emitted photoelectron will be

    A
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