The equation of a transverse wave travelling along a string is y(x, t) = 4.0 sin[20 × 10^–3 x + 600t] mm,

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🧑‍🏫 Author: Aditya Bhatt Sir   |   🕒 Last Updated: July 13, 2025

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📘Question

The equation of a transverse wave travelling along a string is y(x, t) = 4.0 sin [20 × 10^–3 x + 600t] mm, where x is in the mm and t is in second. The velocity of the wave is :

(1) + 30 m/s 

(2) – 60 m/s 

(3) – 30 m/s 

(4) + 60 m/s               (JEE-2025) 

✅ Answer

The equation of a transverse wave travelling along a string is y(x, t) = 4.0 sin [20 × 10^–3 x + 600t] mm, where x is in the mm and t is in second. The velocity of the wave is : (1) + 30 m/s  (2) – 60 m/s  (3) – 30 m/s  (4) + 60 m/s 

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