Two particles tied to different strings are whirled in a horizontal circle as shown in figure. The ratio of lengths of the strings so that they complete their circular path with equal time period is:
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a
32
b
23
c
1
d
None of these
answer is B.
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Detailed Solution
Since T = 2πL cos θg∴ T1 = T2⇒L1 cos θ = L2 cos θ2∴ L1L2 = cos θ2cos θ1 = cos 450cos 300L1L2 = 23