`S_(1)`: Sound travel faster in water than in air. `S_(2)`: The fundamental frequency of
Channel: Doubtnut
Date: 2020-04-12

`S_(1)`: Sound travel faster in water than in air. `S_(2)`: The fundamental frequency of closed organ pipe increases if its diameter is increased. `S_(3)`: Beats are created by superposition of two sound waves with the same amplitude moving in same directions with slightly different frequncies.