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Questions  

A charged particle moving along +ve x-direction with a velocity v enters a region where there is a uniform magnetic field B0(-k^), from x = 0 to x = d. The particle gets deflected at an angle θ from its initial path. The specific charge of the particle is

a
vcosθBd
b
vtanθBd
c
vBd
d
vsinθBd

detailed solution

Correct option is D

sinθ=(d/R)        d=Rsinθ=mvqBsinθ⇒  qm=vsinθBd

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