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Energy Levels

The de-Brogli...

Question

The de-Broglie wavelength associated with an electron in the 3rd orbit is nearly

A

3,33A⁰

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B

6.66A⁰

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C

13.32A⁰

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D

9.99 A⁰

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Solution

The correct option is D
9.99 A⁰

$λ = 2 π \times 0.529 Å \times n$

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