Question

In the prism the sound of the patients heart beat reaches the doctors ear by reflection of sound within the tube

Answer 1

Answer:

Give two practical applications of reflection of sound waves.

Two practical applications of reflection of sound waves are:

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

(b) 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 reflections of sound

Explanation:

Answer 2

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