Question

Test Yourself (Very short answer questions)
1. Which of the following statements is true?
(a) Sound produces vibrations. (b) Vibrations produce sound.
2. The motion of a vibrating body is called
3. What will be the frequency of a sound which is produced when the vocal cords are tight and
thin?
4. The speed of sound is maximum in
and minimum in​

Answer 1

Answer:

The speed of sound is maximum in solids and minimum in liquids

Answer 2

Explanation:

1. Vibrations produce sound

2. The motion of a vibrating body is called oscillation (to and fro motion)

3. When the vocal cords are tight and thin, the sound that will be produced would be of a high pitch sound i.e high frequency sound.

4. The speed of sound is maximum in solids and minimum in gases.