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The ratio of the speed of the electron ...

The ratio of the speed of the electron in the first Bohr orbit of hydrogen and the speed of light is equal to (where `e, h` and `c` have their usual meanings)

A

`2 pi hc//e^(2)`

B

`e^(2)h//2 pi c`

C

`e^(2)c//2 pi h`

D

`2 pi e^(2)//h c`

Text Solution

Verified by Experts

The correct Answer is:
D
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