Sound Test - 3...

If the temperature increases, then what happens to the frequency of the sound produced by the organ pipe?

In an experiment to measure the speed of sound in air, a boy stands 40 m away from a wall and bangs two pieces of wood together. At the instant he hears the echo, he bangs them together again. He does this activity 50 times. The time taken for 50 bangs is 12 s. Which calculation gives the speed of sound in air?

A tuning fork sends sound waves in air. If the temperature of air increases, which of the following parameters will change?

Read the given statements and select the correct option.

Statement 1: Sound would travel faster on a hot summer day than on a cold winter day.
Statement 2: Velocity of sound depends on temperature.

 Sound waves were sent down from a ship and they returned after 2 seconds. What is the depth of the sea, if the speed of sound in water is 1.5 km s^-1 ?