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A particle is moving three times as Fast...

A particle is moving three times as Fast as an electron .The ratio of the de-Broglie wavelength of the particle to that of the electron is `1.813xx10^(-4)`. Calculate the particle's mass and indentify the particle.

A

`1.675xx10^(-27)kg`,electron

B

`1.675xx10^(-27)kg` proton

C

`1.675xx10^(-27) kg,`deuteron

D

`1.675xx10^(27)kg`,position

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The correct Answer is:
B
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