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Bohr's Model of Atom

Radius of fir...

Question

Radius of first Bohr orbit is $r$ . The radius of 2nd Bohr orbit is

A

8 r

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B

2 r

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C

4 r

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D

2 \sqrt{2} r

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Solution

The correct option is B $4 r$
$r_{n} = n^{2} r$ $∴ r_{2} = 4 r$

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