| ASSERTION: The frequency of charge circulating in cyclotron depends up on the speed of the charge. |
| REASON: The time which charge spends inside a dee is dependent of its velocity and radius of the semi circular path. |
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 :
The radius of the circular path inside a dee increases as it is directly proportional to the velocity of the charge. The time period, \[t=\pi m/Bq\]is independent of speed of the charge, so the frequency (which is reciprocal of the time period) is also independent of the speed of the charge.
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