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An electron is an excited state of Li^(2...

An electron is an excited state of `Li^(2 + )`ion has angular momentum `3h//2 pi ` . The de Broglie wavelength of the electron in this state is `p pi a_(0)` (where `a_(0) ` is the Bohr radius ) The value of p is

A

`lambda=2pia_(0)`

B

`lambda=4pia_(0)`

C

`lambda=pia_(0)`

D

`lambda=3pia_(0)`

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The correct Answer is:
A
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