Sound. S. 1. P. E. 2. E. D. W. 3. O. A. U. 4. A. U. R. C. 5. V. 6. L. V. N. R. A. 7. M P.
L. I T U D E. D. 8. E. 9. C. I B. E. L. C. R. L. C. S. U. F. 10. A. S. T. E. R. H. T. 11.
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1. ____ of sound in dry air is about 344 metres per second.[5] 7. Height of a soundwave which indicates loudness of the sound.[9] 8. Unit of sound measurement.[7] 10. Sound travels ____ through solids and liquids than through air.[6] 11. Bottom of a wave.[6] 13. Unwanted or discordant sound.[5] 15. Another name for frequency.[5] 17. Number of cycles or waves passing a given point every second.[9]
1. Vibrations of air.[5] 2. Sense organ for hearing.[3] 3. Distance between crests of consecutive waves.[10] 4. Sound with frequency higher than that detected by the human ear.[10] 5. Top of a wave.[5] 6. There is no sound in a ____.[6] 9. Reflection of sound waves.[4] 12. Frequency of human ____ is between 15000 and 20000 Hertz.[7] 14. Sound with frequency below human hearing.[8] 16. Unit of frequency.[5]
