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What P.D. must be applied to stop the fa...

What P.D. must be applied to stop the fastest photo electron emitted by a nickel surface when illuminated by ultraviolet light of wave length `2000^(@)A`. The work function of nickel is 5 eV

A

5 V

B

6.2 V

C

1.2 V

D

1.2 V

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-DUAL NATURE OF RADIATION AND MATTER-PRACTICE EXERCISEX
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