This video will derive a few expressions for the speed, change in pressure, power and intensity of a sound wave.

A vibrating guitar string makes very little sound if it is not mounted in the guitar body. Why does the sound have greater intensity if the string is attached to the guitar body?

Question

This video will derive a few expressions for the speed, change in pressure, power and intensity of a sound wave.

A vibrating guitar string makes very little sound if it is not mounted in the guitar body. Why does the sound have greater intensity if the string is attached to the guitar body?

Accepted Answer

(b)The energy leaves the guitar at a greater rate.

Answer

(d) The sound power is concentrated over a smaller area at the listener’s position.

Answer

(c) The sound area is spread over a large area at the listener’s position.

Answer

(a) The string vibrates with more energy

Answer

(f) None of these answers is correct.

Answer

(e)The speed of sound is higher in the material of the guitar body.

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This video will derive a few expressions for the speed, change in pressure, powe...

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