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The wave length of a electron with mass ...

The wave length of a electron with mass `9.1 xx 10^(-31)kg` and kinetic energy `3.0 xx 10^(-25)J` is

A

89.67 nm

B

8.96 nm

C

456.7 nm

D

896.7 nm

Text Solution

Verified by Experts

The correct Answer is:
D

`lambda = (h)/(sqrt(2mkE))`
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