Question

Write any two uses of refiection of sound

Answer 1

Answer:

Uses of reflection of sound is

1.It is used to measure the water level in seas, oceans the depth

2. In stethoscope sound reflects from patients hard beat to the doctor ear

3.the working of hearing aid is based on sound

Answer 2

Answer:

A. Reflection of sound is used to measure the distance and speed of underwater object. ....

B. Working of a stethoscope is also based on reflection of sound. In a stethoscope, the sound of the patients heartbeat reaches the doctor's ear by multiple reflection of sounds.