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In a photoelectric experiment, the stopping potential is 1.5V. What is the maximum kinetic energy of a photoelectron?

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प्रश्न

In a photoelectric experiment, the stopping potential is 1.5V. What is the maximum kinetic energy of a photoelectron?

संख्यात्मक
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उत्तर

Given:

Vs = 1.5 V

To find: Maximum kinetic energy = ?

We know that KEmax  = eV

= 1.6 × 10-19 × 1.5

∴ KE max = 2.4 × 10-19 J 

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