Question:

A bar magnet is oscillating in the earth’s magnetic field with time period T. If its mass is increased four times then its time period will be

Screenshot 2024-12-14 230759

Options :

  • (a)4T
  • (b)2T
  • (c)T
  • (d)T/2

Answer :

Ans :- (b)2T

Answer Steps :

Step 1:-

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