Question

uses of reflection of sound please don't write else विनम्र निवेदन ​

Answer 1

Answer:

The use of multiple reflection of sound are

1. In stethoscope the sound of a patient's heartbeat is guided along the tube of the stethoscope to the doctors nearby multiple reflection of sound.
2. Horns musical instruments such as trumpet's and shennai , megaphone etc.are all design to keep sound from spreading in all direction in this instrument at you followed by conical opening reflect sound successively guide most of sound waves from the source in the forward direction towards the audience the sound waves ad of and the loudness of sound increases.
3. reflection of sound plays a big role in the design of concert halls designer have to keep the following things in mind each member of audience should hear the sound on stage clearly and with equal loudness and the sound should be pleasant.

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Answer 2

Answer:

Uses of reflection of sound waves

• Echo : Echoes are sound waves reflected from a reflecting surface at a distance from the listener.
• Stethoscope is an instrument used by physicians to listen to the sounds produced by various parts of the body. It consists of a long tube made of rubber or metal.
• Whispering gallery : The famous whispering gallery at St. Paul?s Cathedral is a circular shaped chamber whose walls repeatedly reflect sound waves round the gallery, so that a person talking quietly at one end can be heard distinctly at the other end.

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