Question

The following data show the values of the speed of sound in m/s) through

medium A, B, C and D:

Medium

A

B

C

D

Speed of Sound (m/s)

3000 (m/s)

330 (m/s)

O (m/s)

1500 (m/s)

(i) Why is the speed of sound through medium C 0 (m/s) ?

(ii) Identify the most probable physical state of A. Give reason for your

answer.

(iii) Which of the four media could be 'air ?










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Answer 1

Answer:

Mediumc may vacuum as the sound is a

mechanical wave so it requires medium to

propagate.

As the physical state of A may be air