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Among the following materials, sound travels fastest in _____.

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Important Questions on Physics

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Haryana Staff Selection Commission Recruitment Exam - General Knowledge>Chapter 7 - Physics>Exam Pattern Questions>Q 66
The sound produced by a bat is _____.
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Haryana Staff Selection Commission Recruitment Exam - General Knowledge>Chapter 7 - Physics>Exam Pattern Questions>Q 67
The persistence of a sound in a big hall due to repeated reflection from walls, ceiling, floor is known as _____.
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Haryana Staff Selection Commission Recruitment Exam - General Knowledge>Chapter 7 - Physics>Exam Pattern Questions>Q 68
Longitudinal waves cannot travel through _____.
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Haryana Staff Selection Commission Recruitment Exam - General Knowledge>Chapter 7 - Physics>Exam Pattern Questions>Q 69
Why are we able to hear short wave broadcasts better than long wave broadcasts?
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Haryana Staff Selection Commission Recruitment Exam - General Knowledge>Chapter 7 - Physics>Exam Pattern Questions>Q 70

For the given sentance which of the following is false?
Sound waves are _____ waves.

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Haryana Staff Selection Commission Recruitment Exam - General Knowledge>Chapter 7 - Physics>Exam Pattern Questions>Q 71
Sound waves cannot travel in _____.
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Haryana Staff Selection Commission Recruitment Exam - General Knowledge>Chapter 7 - Physics>Exam Pattern Questions>Q 72
Which unit is used to measure noise?
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Haryana Staff Selection Commission Recruitment Exam - General Knowledge>Chapter 7 - Physics>Exam Pattern Questions>Q 73
Which of the following is not an effect of noise pollution?