Chapter 13 - Sound - 2


Physics Class 10
1. If f is frequency and lambda is wavelenth then speed V lf sound can be found by formula




Physics Class 10
2. SI unit of intensity of sound is




Physics Class 10
3. Intensity level of loudest sound which can be heard without pain is




Physics Class 10
4. Pitch of sound depends upon




Physics Class 10
5. Speed of sound is greatest in




Physics Class 10
6. The distance between any two consecutive compression or rarefactions is called




Physics Class 10
7. Old people cannot hear sounds of frequency




Physics Class 10
8. Sound energy flowing per second through a unit area held perpendicular to the direction of sound waves is called




Physics Class 10
9. Audible frequency range is




Physics Class 10
10. Match the column.................................sound is a form of




Physics Class 10
11. Match the column.................................sound is produced by




Physics Class 10
12. Match the column.................................sound consits of




Physics Class 10
13. Match the column.................................sound propagates through




Physics Class 10
14. Match the column.................................sound moves faster in




Physics Class 10
15. Match the column.................................loudness depends upon




Physics Class 10
16. Match the column.................................pitch depends upon




Physics Class 10
17. Match the column.................................quality depends upon




Physics Class 10
18. Match the column.................................intensity depends upon




Physics Class 10
19. Match the column.................................unpleasant effect




Physics Class 10
20. Match the column.................................sound of train







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