Practice Question

1.State what echosounding is used for.

Echo sounding is used by Ships, submarines, sonar devices to measure water depth or map seabeds.

2. Explain how echo souding can be used by boats.

The boat emits a high frequency sound wave, which hits the seabed and is then reflected back to the boat.

The time taken for the high frequency sound wave to travel from the boat, to the seabed and then return to the boat is recorded.

3. State the formula for calculating the depth of water.