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In an orbit, velocity of an electron in ...

In an orbit, velocity of an electron in excited state of H-atom is `1.093xx10^(6)cm*s^(-1)`. The circumference of this orbit is-

A

13.3 Å

B

6.65 Å

C

3.33 Å

D

26.65 Å

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The correct Answer is:
A
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