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If a charged particle is projected perpe...

If a charged particle is projected perpendicular to a uniform magnetic field, then `a)` it revolves in circular path
`b)` its `K.E.` remains constant
`c)` its momentum remains constant
`d)` its path is psiral

A

only`a,b` are correct

B

only `a,c,` are correct

C

only`b,d` are correct

D

only `a,d` are correct

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