Fill in the blanks: 1. ……… is produced when an object is set to

1.	Fill in the blanks: 1. ……… is produced when an object is set to vibrate. 2. The substance through which sound is transmitted is called ………… 3. Sound cannot travel in ………4. The speed of sound is ……… in solids than in liquids.5. ……… is the distance between two consecutive particles, which are in the same phase of vibration.6. ……… is the number of vibrations of a particle in the medium in one second. 7. In any medium, as the ……… increases, the speed of sound also increases. 8. The speed of sound in air is 331 ms at ……… and ……… at 22°C. 9. The unit of frequency is ……… 10. The amount of water vapour in the air is known as …………
Answer» 1. Sound 2. medium 3. vacuum 4. more 5. Wavelength 6. Frequency 7. temperature 8. 0°C, 344 ms^-1 9. hertz 10. humidity

Fill in the blanks: 1. ……… is produced when an object is set to vibrate. 2. The substance through which sound is transmitted is called ………… 3. Sound cannot travel in ………4. The speed of sound is ……… in solids than in liquids.5. ……… is the distance between two consecutive particles, which are in the same phase of vibration.6. ……… is the number of vibrations of a particle in the medium in one second. 7. In any medium, as the ……… increases, the speed of sound also increases. 8. The speed of sound in air is 331 ms at ……… and ……… at 22°C. 9. The unit of frequency is ……… 10. The amount of water vapour in the air is known as …………

Answer»

1. Sound

2. medium

3. vacuum

4. more

5. Wavelength

6. Frequency

7. temperature

8. 0°C, 344 ms^-1

9. hertz

10. humidity

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