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We can hear echoes more clearly in an em...

We can hear echoes more clearly in an empty hall with no furniture than in a small, empty room with no furniture. Explain why ?

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To explain why we can hear echoes more clearly in an empty hall with no furniture than in a small empty room with no furniture, we can break down the explanation into several steps: ### Step-by-Step Solution: 1. **Understanding Echoes**: - An echo is a reflection of sound that arrives at the listener after bouncing off a surface. For us to hear an echo distinctly, there must be a time gap between the original sound and the reflected sound. 2. **Persistence of Hearing**: ...
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PEARSON IIT JEE FOUNDATION-SOUND-CLASSROOM CORNER B. Short Answer Questions
  1. What is the difference between noise and music? Can music become noise...

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  2. You have just struck a tuning fork with a rub-ber pad and can hear a ...

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  3. How does the larynx produce sound ?

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  4. Why does sound travel the fastest in solids and the solwest in gases ?

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  5. State any three ways of controlling noise pollution .

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  6. What can sound not travel through ?

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  7. What is the relationship between pitch and frequency ?

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  8. Does frequency increase with pitch ?

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  9. What is the pitch in sound ?

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  10. What will be the effect on loudness if ampli-tude doubles ?

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  11. What is the relation between loudness and amplitude of sound ?

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  12. What is amplitude, frequency and time period ?

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  13. A short flute produced a higher pitch than a long pipe. Give reasons.

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  14. Does higher Hz mean higher pitch ?

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  15. Give a reason for each of the following . (a) The voices of two peop...

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  16. Explain why a-person talking continuously needs to pause in between to...

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  17. We can hear echoes more clearly in an empty hall with no furniture tha...

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  18. A piano produces sound when the hammers connected to its keys strike s...

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  19. Movie theatres and concert halls should never be constructed close to ...

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  20. A certain amount of reverberation is desirable in large concert halls....

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