| ASSERTION: If a charged particle is moving on a circular path in a perpendicular magnetic field, the momentum of the particle is not changing. |
| REASON: Velocity of the particle in not changing in the magnetic field. |
A) If both assertion and reason are true and reason is the correct explanation of assertion.
B) If both assertion and reason are true and reason is not the correct explanation of assertion.
C) If assertion is true but reason is false.
D) If both assertion and reason are false.
E) If assertion is false but reason is true.
Correct Answer: D
Solution :
Velocity is changing, so momentum \[\left( m\,\overrightarrow{v} \right)\]is also changing.
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