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Calculate the wavelength ( in nanometer ...

Calculate the wavelength ( in nanometer ) associated with a proton moving at ` 1.0xx 10^3` m/s (Mass of proton ` =1.67 xx 10^(-27) kg ` and ` h=6.63 xx 10^(-34) is)` :

A

`0.032 nm`

B

`2.5nm`

C

`14.0nm`

D

`0.4nm`

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The correct Answer is:
D
`lambda = (h)/(mv)`
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