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NAND LAL PUBLICATION-SOUND-EXERCISES (FILL IN THE BLANKS)
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Playing Now - Fill in the blank Loudness is determined by the …………..of vibration
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Play - The unit of frequency is:
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Play - Fill in the blank Unwanted sound is called …………….
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Play - Fill in the blank Shrillness of a sound is determined by the ………of t...
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Play - A pendulum oscillates 40 times in 4 seconds. Find its time period and ...
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Play - The sound from a mosquito is produced when it vibrates its wings at an...
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Play - Identify the part which vibrates to produce sound in the following ins...
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Play - List sources of noise pollution in your surroundings.
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Play - Briefly explain noise pollution.
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Play - your parents are going to buy a house. They have been offered one on t...
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Play - Sketch larynx and explain its function in your own words.
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