NCERT Exercise 14.8 - Waves

Question: A transverse harmonic wave is described by y = 3.0 sin(36t + 0.018x + ?/4). Is it travelling? What are its speed and direction?

Answer: **Yes**, it is a travelling wave moving in the **?x direction** at **20 m/s**.

Full step-by-step NCERT solution with diagrams on Something by Zero.