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Solved: A point source broadcasts sound into a uniform

Chapter , Problem 6

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QUESTION:

A point source broadcasts sound into a uniform medium. If the distance from the source is tripled, how does the intensity change?

(a) It becomes one ninth as large.

(b) It becomes one-third as large.

(c) It is unchanged.

(d) It becomes three times larger.

(e) It becomes nine times larger.

Questions & Answers

QUESTION:

A point source broadcasts sound into a uniform medium. If the distance from the source is tripled, how does the intensity change?

(a) It becomes one ninth as large.

(b) It becomes one-third as large.

(c) It is unchanged.

(d) It becomes three times larger.

(e) It becomes nine times larger.

ANSWER:

Step 1 of 2

The distance from the source of sound is tripled, we need to check how its intensity varies.

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