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MODERN PUBLICATION-SOUND-EXERCISE
- Find out which of the following statements regarding sound is false?
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- What is a wave or wave motion ?
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- Define time period. How is time period related to frequency?
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- Define amplitude of a wave.
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- How is sound produced?
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- Can sound travel in vacuum?
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- What is quality of sound?
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- What is the minimum distance of the obstacle from the source of sound ...
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- What is the minimum distance between the observer and the reflecting s...
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- What is reverberation ? How can it be reduced ?
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- What is ultrasound?
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- Write the full form of SONAR.
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- Name the disease that can be caused by UV rays.
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- If 20 waves are proeduced per second. What is the frequency in Hertz?
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- Give classification of waves on the basis of movement of particles.
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- What are the important properties of a medium required for propagatio...
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- Give two examples in which a vibrating object produces sound.
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- What is a Stethoscope? How does it work?
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- What is the use of a megaphone?
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- Give some properties of ultrasound.
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