Question

Name three devices which work on the reflection of sound

Answer 1

Ultrasound, stethoscope, loudspeaker....I hope I'm not wrong

Answer 2

Loudspeaker  stethoscope and  megaphone .

Explanation:

• The bouncing back of sound wave from the surface of solid or liquid is called reflection of sound.
• It follows the laws  refection.
• Some of the devices that are based on reflection of sound are loudspeaker  stethoscope and  megaphone .

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Reflection of sound

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