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  4. If an electron and a proton having same momenta enter perpendicularly to a magnetic field, then :

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Q. If an electron and a proton having same momenta enter perpendicularly to a magnetic field, then :

AIEEEAIEEE 2002Moving Charges and Magnetism

Solution:

Since momenta are same and masses for electron and proton are different, so they will attain different velocities and hence experience different forces. But radius of circular path is depending on momenta so both will be moving on same trajectory (curved path).