Question

what is reflection of sound give two practical application of reflection of sound wave

Answer 1

(i) In stethoscope the sound of patient’s heartbeat reaches the doctor’s ears by multiple reflections in the tubes.
(ii) Megaphones are designed to send sound waves in particular direction are based on the reflection of sound.
When sound travels in a given medium, it strikes the surface of another medium and bounces back in some other direction, this phenomenon is called thereflection of sound. The waves are called the incident and reflected sound waves.

Answer 2

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(i) Reflection of sound is used to measure the distance and speed of underwater objects. This method is known as SONAR.

(ii) Working of a stethoscope is also based on reflection of sound. In a stethoscope, the sound of the patient’s heartbeat reaches the doctor’s ear by multiple reflection of sound.

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