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An alpha-particle moves in curcular path...

An `alpha`-particle moves in curcular path of radius `0.83 cm` in the presence of a magnetic field of `0.25 Wb//m^(2)`. Find the De Brogile wavelength associated with the particle.

A

`10 Å`

B

`1 Å`

C

`0.1Å`

D

`0.01 Å`

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The correct Answer is:
B
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