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The total energy of an electron in secon...

The total energy of an electron in second excited state is - 2E. What is potential energy with proper sign in this state?

A

`-2E`

B

`-4E`

C

4E

D

`-E`

Text Solution

Verified by Experts

The correct Answer is:
B

`-4E`
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  7. Write range of wave length of X - rays.

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