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PEARSON IIT JEE FOUNDATION-SOUND-TEST YOUR CONCEPTS (VERY SHORTANSWER TYPE QUESTIONS )
- How is sound produced?
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- What is the time period of a simple pendulum ?
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- What is the length of a simple pendulum ?
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- What is frequency of oscillation ?
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- What is meant by one oscillation of a simple pendulum ?
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- What is the SI unit of frequency?
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- What is reflection of sound ?
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- (a) What is an echo? How is echo formed? (b) What is the minimum dis...
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- What is the frequency of infrasonic sound ?
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- What is loudness ?
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- What is a pitch ?
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- What is quality of sound ?
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- What is noise pollution ?
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- Why the oscillations of a simple pendulum are not perceived by the hum...
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- What is persistence of hearing ?
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- What is the minimum distance between the reflector and the listener to...
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- What is the principle on which megaphone work ?
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- What happens to the pitch of the sound when the length of the vibratin...
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- A body completes 50 oscillations in 20 s. What is the frequency?
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- The time period of a vibrating body is 0.1 s. Find its frequency.
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