Time periods of vibration of two bar magnets in sum and difference positions are 4 s and 6 s respectively. The ratio of their magnetic moments M 1 M 2 is

Question

Time periods of vibration of two bar magnets in sum and difference positions are 4 s and 6 s respectively. The ratio of their magnetic moments M 1 M 2 is, 6 : 4, 36 : 16, 2.6 : 1, 1.5 : 1

MARKS App · Accepted Answer

According to sum and difference method M 1 M 2 = T 2 2 + T 1 2 T 2 2 - T 1 2 ⇒ M 1 M 2 = 6 2 + 4 2 6 2 - 4 2 ⇒ M 1 M 2 = 36 + 16 36 - 16 ⇒ M 1 M 2 = 52 20 = 26 10 = 2.6 1

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