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R G PUBLICATION-SOUND-EXAMPLE
- What is loudness of sound? What factors does it depend on?
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- Explain how bats use ultrasound to catch a prey.
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- How is ultrasound used for cleaning?
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- Explain how defects in a metal block can be detected using ultrasound.
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- A sonar device on a submarine sends out a signal and receives an echo ...
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- Explain how defects in a metal block can be detected using ultrasound.
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- Explain how the human ear works.
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- A body vibrates 10 times per second. The time period of the body is
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- Choose the wrong statement-
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- The frequencies and velocities of two waves are equal. If wavelengths ...
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- The distance between two consecutive compressions (c ) or two consecut...
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- At the place of compession
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- At the place of rarefraction
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- The relation between frequency (upsilon) and time period (T) is
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- The relation between speed of wave v, wavelength lambda and time perio...
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- Sound wave is
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- Speed of sound wave is
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- Speed of sound is maxium.
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- In any medium as temperature increases
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- Speed of sound in air at 22^@C
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