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What is the de-Broglie wavelength of (a)...

What is the de-Broglie wavelength of (a) a bullet of mass `0.040kg` traveling at the speed of `1.0kms^(-1)`. (b) a ball of mass `0.060 kg` moving at a speed of `1.0ms^(-1)` and (c) a dust particle of mass `1.0xx10^(-9) kg` drifting with a speed of `2.2 ms^(-1)`? `h=6.63xx10^(-34)Js`.

A

`3.0 xx 10^(-25) m`

B

`1.0 xx 10^(-25) m`

C

`3.0 xx 10^25 m`

D

`1.0 xx 10^(25) m`

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The correct Answer is:
A
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