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Draw a neat and cleaned diagram of human...

Draw a neat and cleaned diagram of human ear and label the auditory parts

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KUMAR PRAKASHAN-SOUND-QUESTIONS AND ANSWERS (Answer the following questions is short:)
  1. The frequency of a source of sound is 100 Hz. How many times does it v...

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  2. What is loudness of sound? On what factors does it depend?

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  3. A boy heard a sound of frequency 100 Hz at a distance of 500 m from th...

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  4. Flash and thunder are produced simultaneously. But thunder is heard a ...

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  5. Two children are at opposite ends of an aluminium rod. One strikes the...

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  6. Does the sound follow the same laws of reflection as light does? Expla...

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  7. When a sound is reflected from a distant object, an echo is produced. ...

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  8. Give two practical applications of reflection of sound waves.

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  9. A man fires a rifle in front of a cliff and hears the echo after 3 sec...

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  10. Why is echo not heard in a small room?

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  11. A person has a hearing range from 20 Hz to 20 kHz. What are the typica...

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  12. Explain how bats use ultrasound tt catch a prey.

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  13. How is ultrasound used for cleaning?

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  14. A sound wave travels at a speed of 339 ms^(-1) . If its wavelength is ...

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  15. A sonar device on a submarine sends out a signal and receives an echo ...

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  16. A ship which is stationary is at a distance of 2800 m from the seabed...

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  17. Cracks in bones can be detected using ………

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  18. Draw a neat and cleaned diagram of human ear and label the auditory pa...

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  19. Draw graphical representation of the wave shaper for (1) low-pitched s...

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  20. When the wire of a guitar is plucked, . What types of waves are produc...

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