Question

1. How are sound waves produced?
2. Name two factors on which the speed of sound depends.
3. What is the time period of an oscillation?
4. What is the audible range of frequency of sound waves for human beings?
5. Name three types of musical instruments.
6. Give two harmful effects of noise pollution.​

Answer 1

Explanation:

1-) through vibrating body

2-) wavelength & frequency

3-) the time in which one oscillation is completed is called its time period.4-) 20 hertz to 20 kilohertz

5-) sitar, guitar and piano

6-) it it can damage psychological health & it it gives stress and disturb sleep

please mark as brainliest

Answer 2

Answer:

1. When vibration is happen in any object then automatically sound is produced by object.

2.1 density of medium

2. temperature of medium

3. The time taken by pendulum to complete one oscillation

is called time period of oscillation.

4. 20Hz to 20000Hz

5. Shehnai, guitar, flute

6. Two cause of sound pollution are hypertension and stress