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An electron, in a hydrogen like atom , i...

An electron, in a hydrogen like atom , is in excited state. It has a total energy of -3.4 eV, find the de-Broglie wavelength of the electron.

A

`66.5 Å`

B

`6.66Å`

C

`60.6Å`

D

`6.06Å`

Text Solution

Verified by Experts

The correct Answer is:
B
`n = 2 2pi r_(n) = n lambda_(n) rArr lambda_(n) = (2pir_(n))/(n)`
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