Question

A beam of protons with a velocity enters a uniform magnetic field of 0.3 T at an angle of to the magnetic field. Find the pitch of the helix (which is the distance travelled by a proton in the beam parallel to the magnetic field during one period of the rotation). Mass of the proton

A

2.3 cm

B

5.35 cm

C

4.35 cm

D

6.35 cm

Medium
Updated on : 2022-09-05
Solution
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Correct option is C)

When a charged particle is projected at an angle to a magnetic field, the component of velocity parallel to the field is while perpendicular to the field is , so the particle will move in a circle of radius

Time period:
Pitch:

Solve any question of Moving Charges and Magnetism with:-
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