Question
A proton of mass 1.6 × 10⁻²⁷ kg goes round in a circular orbit of radius 0.10 m under a centripetal force of 4 × 10⁻¹³ N. then the frequency of revolution of the proton is about
Options :
0.08 × 10⁸ cycles per sec
4 × 10⁸ cycles per sec
8 × 10⁸ cycles per sec
12 × 10⁸ cycles per sec
Answer :
0.08 × 10⁸ cycles per sec
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