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MBD -HARYANA BOARD-SOUND-Example
- What is oscillatory motion ? Give some of its examples.
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- Distinguish between longitudinal waves and transverse waves.
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- How is sound propagated ? Can it be propagated through vacuum ? out of...
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- Write the applications of the ultrasound.
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- Define the terms wave and wave motion.
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- PULSE AND WAVES
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- What are mechanical, electromagnetic and matter waves ? Give an exampl...
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- Discuss the dependence of velocity of sound on temperature and density...
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- Define the terms time period and frequency of an oscillating body. Giv...
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- Give two practical applications of reflection of sound waves.
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- Distinguish between music and noise.
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- Bats can ascertain distances, directions, nature and size of the obsta...
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- It is observed that some animals get disturbed before earthquake. How ...
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- On an average a human heart is found to beat 75 times in a minute. Ca...
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- A boat strikes waves of ocean having crest 200 m away. The wave veloci...
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- A source of wave produces 40 crests in 0.4 s. Find the frequency of wa...
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- A source produces a sound of wavelength. 1.7 xx 10^-2 m. If its veloci...
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- What will be the frequency of the wave, if its time period is 0.05 s ?
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- Longitudinal waves is produced on a spring. This wave travles with a ...
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- A message was transmitted from boat which returned to the sender after...
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