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MBD-SOUND-Example
- Describe with the help of diagram, how compressions and rarefactions a...
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- Cite an experiment to show that sound need a material medium for its p...
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- Describe an experiment to show that sound need a material medium for i...
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- Describe an activity to show that sound is a mechanical wave and need ...
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- Why is sound wave called longitudinal wave?
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- Which characteristic of the sound help you to identify your friend by ...
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- Which characteristic of the sound help you to identify your friend by ...
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- Flash and thunder are produced simultaneously. But thunder is heard a...
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- A person has a hearing range from 20 Hz to 20 KHz. What is the typical...
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- Two children are at opposite ends of an aluminium rod. One strikes the...
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- The frequency of source of sound is 100 Hz. How many times does it vib...
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- Does sound follow the same laws of reflection as light does ? Explain.
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- When a sound is reflected from a distant object, an echo is produced. ...
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- Give two practical applications of reflection of sound waves.
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- A stone is dropped from the top of a tower 500 m high into a pond of w...
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- A sound wave travels at a speed of 339 ms^-1. If its wavelength is 1.5...
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- What is reverberation ? How can it be reduced ?
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- What is loudness of sound ? What factors does it depend on ?
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- Explain how bats use ultrasounds to catch a prey ?
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- How is ultrasound used for cleaning ?
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