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De Broglie's Hypothesis

The circumfer...

Question

The circumference of the second orbit of electron in hydrogen atom os 400nm, the de-Broglie wavelength of electron corresponding to the circumference of same orbit is 200 nm. Number of waves made by an electon is

A

1

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B

2

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C

3

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D

4

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Solution

The correct option is B 2
Number of waves made by electron $(n) = \frac{circumference}{wavelength}$
$n = \frac{400}{200} n m$
$n = 2$

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De Broglie's Hypothesis

Standard XII Chemistry

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