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In a photoelectric experiment for 4000 Å...

In a photoelectric experiment for 4000 Å incident radiation, the potential difference to stop the ejection is 2 V . If the incident light is changed to 3000 Å , then the potential required to stop the ejection of electrons will be

A

2 V

B

less than 2 V

C

zero

D

greater than 2 V

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The correct Answer is:
D
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