Physics · Waves
Two strings (A, B) having linear densities μA = 2 × 10-4 kg/m and μB = 4 × 10-4 kg/m and lengths LA = 2.5 m and LB = 1.5 m respectively are joined end-to-end. The free ends of A and B are tied to two rigid supports C and D, respectively, creating a tension of 500 N in the combined wire. Two identical pulses, sent simultaneously from ends C and D, take times t1 and t2 respectively to reach the joint. The ratio t1t2 is approximately:
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