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The wavelength of light from the spectra...

The wavelength of light from the spectral emission line of sodium is 589 nm. Find the kinetic energy at which
A neutron, and would have the same de Broglie wavelength.

A

`3.81 xx 10^(-28) J`

B

`3.81 xx 10^(-25) J`

C

`4.81 xx 10^(-28)J`

D

`4.81 xx 10^(-30)J`

Text Solution

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The correct Answer is:
A
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