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Grade:11

1 Answers

Arun
25763 Points
2 years ago
Dear Mahima
 

Use Einstein equation to find stopping potential (V).
Now you know for a charged sphere the point formula for potential can be used (because it will be the one stopping the electrons from going away) to find charge so obv you're finding pot (hehe) outside the sphère

V=kq/r

The stopping potential = potential of sphère. This way get the charge.

you will clearly get answer.

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