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A photon of energy 12 V falls on metal s...

A photon of energy 12 V falls on metal surface whose work function is 4.15 eV . The stopping potential is

A

7.85 V

B

8.75 V

C

7.00 V

D

5.50 V

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The correct Answer is:
A
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  • Light of frequency 10^(15) Hz falls on a metal surface of work function 2.5 eV. The stopping potential of photoelectrons in volts is

    A
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    B
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