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The frequency of revolution of a charged particle in a cyclotron does not depend on ‘X’. Identify X.

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in Physics – Class 12 by (135k points)
The frequency of revolution of a charged particle in a cyclotron does not depend on ‘X’. Identify X.

(a) Magnetic field

(b) Speed of the particle

(c) Mass of the particle

(d) Charge on the particle

The question was asked in a job interview.

Origin of the question is Motion in Combined Electric and Magnetic Field in division Moving Charges and Magnetism of Physics – Class 12

1 Answer

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Best answer
The correct option is (b) Speed of the particle

Easiest explanation: The radius of the circular path of the charged particle increases in direct proportion to its speed. Consequently, both its time-period and frequency of revolution are independent of its speed. So, the ‘X’ is the speed of the particle.

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