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Questions  

A proton enters a magnetic field with a velocity of 2.5 x 107 m/s making angle 30° with the magnetic field. What is the force on the proton ? (Given B = 2.5T)

a
1⋅25×10−12N
b
2⋅5×10−12N
c
5⋅0×10−12N
d
7⋅5×10−12N

detailed solution

Correct option is C

F=q∨Bsin⁡θ=1⋅6×10−192⋅5×107(2⋅5)sin⁡30∘

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