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If the speed of electron in first Bohr o...

If the speed of electron in first Bohr orbit of hydrogen be 'x' then speed of the electron in second orbit of `He^(+)` is

A

x/2

B

2x

C

x

D

4x

Text Solution

Verified by Experts

The correct Answer is:
C

`v_(n)=(v_(1)xxZ)/(n)=(x xx2)/(2)=x`
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