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3.Z VERY SHORT ANSWER QUESTIONS:1. ............travel through air.2. Larger vibrations have..........amplitude.is the part of ear visibleoutside.4. You hear a bomb blast 10 seconds after ithappens. Do you agree?5. Similar to light waves, sound waves alsoundergo reflection. True or false?6. Where are the vocal cords located in ahuman body?7. We can get echo in a room of 10 m lengthand width. Do you agree?8. Frequencies below 20 Hz.......... .9. The frequent to and fro movement of anobject about its mean position............ .10. Musical sounds of a specific pitch.......... .11. Amount of force required to maintain the state of motion. ...........12. ........ force exists between two stationary changes a )mechanicalb )gravitationalc) musculard )none of these |
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Answer» Answer: 1. Sound 2. SMALLER 3. Pinna 4. yes , light TRAVEL FASTER than sound . 5.True 6. In the neck REGION , NEAR larynx 7. Yes 8.Infrasonic waves 9.Longitudinal wave 10.Quality or Timbre 11.1N 12.none of these (d) |
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