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A sphere of work function phi=4.6 eV is ...

A sphere of work function `phi=4.6 eV` is suspended in a vacuum number by an insulating thread. Radiation of wavelength `lambda =0.2 mum` stricke on the sphere. The maximum electric pontential of the sphere will be

A

`4.6 V`

B

`6.2 V`

C

`1.6 V`

D

`3.2 V`

Text Solution

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The correct Answer is:
C
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