. What do you mean by reflection of sound? State one condition for the reflection of a sound wave. Name a device in which reflection of sound wave is us


Best Answer

(i) Just as rays of light, sound waves travel back in the opposite direction on hitting an obstacle.

(ii) This is called the reflection of sound.

(iii) The laws of reflection for sound are the same as those for light.

(iv) Repetition of sound caused by reflection of sound waves from an obstacle is known as an echo.

(v) A hearing aid is one such device used by people who are hard of hearing. Here, sound waves, which are received by the hearing aid, are reflected into a narrower area leading to the ear.

 

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