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9th CBSE
IMPORTANT
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The velocity, wavelength and time period of a wave are related as

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Important Questions on Sound

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9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>CHAPTER PRACTICE TEST 1>Q 6
Sound waves cannot pass through
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9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>CHAPTER PRACTICE TEST 1>Q 7
The figure below shows snapshots of the pressure variation in two different sound waves in air plotted against position. Both the figures are drawn to the same scale.
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Which of the following statements is true?
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9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>CHAPTER PRACTICE TEST 1>Q 8
In a slinky
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9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>CHAPTER PRACTICE TEST 1>Q 9
For finding the velocity of a pulse propagated through a stretched string:
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9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>CHAPTER PRACTICE TEST 1>Q 10
Wave transfers a physical quantity 'X' from one place to another, where 'X' is:
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9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>CHAPTER PRACTICE TEST 1>Q 11
Wave motion shifts mass from one region to another.
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9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>CHAPTER PRACTICE TEST 1>Q 12
A transverse wave consists of compressions and rarefactions.
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9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>CHAPTER PRACTICE TEST 1>Q 13
Temperature has no effect on speed of sound in air.