NCERT Exercise 14.4 - Waves
Question: Use the formula v = ?(?P/?) to explain why (a) speed of sound is independent of pressure, (b) increases with temperature, (c) increases with humidity.
Answer: (a) **P and ? change proportionally**; (b) **v ? ?T**; (c) **moist air has lower M**.
Full step-by-step NCERT solution with diagrams on Something by Zero.