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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. Calculate
(a) the kinetic energy and
(b) the de Broglie wavelength of the electron.

A

`+ 3.4 eV , 0.66 xx 10^(-9) m`

B

`-3.4 eV ,1.99 xx 10^(-9)m`

C

`2.8 eV , 2.38 xx 10^(-10) m`

D

`1.1 eV ,1.28 xx 10^(-9)m`

Text Solution

Verified by Experts

The correct Answer is:
A
`+ 3.4 eV , 0.66 xx 10^(-9) m`
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