NEET Physics Transverse & Longitudinal Waves MCQ Question
A steel wire of length 0.72 m and mass 5.0 × 10^-3 kg is under a tension of 60 N. What is the speed of transverse waves on this wire?
60 m/s
120 m/s
150 m/s
200 m/s
Correct Answer
Detailed Explanation
The speed of transverse waves on a string depends on the tension T and the mass per unit length μ. Using the formula v = sqrt(T/μ) where μ = mass/length = 5.0 × 10^-3 kg / 0.72 m, we can calculate the speed as v = sqrt(60 / (5.0 × 10^-3 / 0.72)) = 120 m/s.
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