| ASSERTION: Electron cannot be accelerated by the cyclotron. |
| REASON: Cyclotron is suitable only for accelerating heavy particles. |
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: B
Solution :
The same cyclotron is not used for any charged particle because certain parameters such as the radius of the dee are fixed. The electrons mass is very small and its velocity will be large for the same force applied. As a result of it the electrons go quickly out of step with oscillating electric field. But in principle, one can apply a magnetic field to make it rotate faster.
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