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An alpha-particle moves in a circular pa...

An `alpha`-particle moves in a circular path of radius 0.83 cm in the presence of a magnetic field of `0.25 Wb//m^(2)` . The de-Broglie wavelength associated with the particle will be

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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