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>>Motion of a Charge in Magnetic Field
>> $A neutron, a proton, an electron and an$

Question

A neutron, a proton, an electron and an $α -$ particle enter a region of uniform magnetic field with equal velocities. The magnetic field is perpendicular to the plane of paper and directed into it. The tracks of particles are labeled in the figure. The neutron follows the track

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A

A

B

B

C

C

D

D

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Solution

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Correct option is C)

Neutron does not carry any charge.
Hence, there is no force on the neutron and it travels undeflected.

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