Assertion (A)When proton and a neutron enter into a transverse magnetic field with equal speeds, then they trace a circular paths of equal radii. Reason (R) In a transverse magnetic field the period of revolution of a charged particle in a circular path is directly proportional to the mass of the particle.

Question

Assertion (A)When proton and a neutron enter into a transverse magnetic field with equal speeds, then they trace a circular paths of equal radii. Reason (R) In a transverse magnetic field the period of revolution of a charged particle in a circular path is directly proportional to the mass of the particle., Both $(\mathrm{A})$ and $(\mathrm{R})$ are correct and $(\mathrm{R})$ is the correct explanation of $(A)$., Both $(A)$ and $(R)$ are correct but $(R)$ is not the correct explanation of $(A)$., (A) is correct but (R) is not correct., (A) is not correct but (R) is correct.

MARKS App · Accepted Answer

(A) When a proton and a neutron enter into a transverse magnetic field with equal speeds, then they trace circular paths of equal radii. This statement is not correct because neutron will not move in a circular path as there is no charge on neutron. So, (A) is not correct but (R) is correct. Hence, option (4) is correct.

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