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MBD -HARYANA BOARD-SOUND-Example
- A man claps near a cliff and echo is heard after 10 s. If the velocity...
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- A ship produces ultrasonic sound which is collected in 8 s after refle...
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- What is sound ? List its characteristics
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- In which medium the velocity of sound is more — solids or Gases ? What...
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- What frequency of sound is audible to human ear and which are not? Can...
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- What is the nature of sound Longitudinal wave or Transverse wave ?
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- What should be the properties of the medium for producing sound waves ...
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- What is the relation between frequency, wavelength and wave velocity ?...
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- What are the units of frequency and wavelength ?
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- What is the relation between frequency and time period of a wave ?
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- On dropping a pebble in still water, what type of waves are produced o...
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- What kind of waves are sound waves produced in air ?
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- What is the full form of SONAR? Explain its working
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- Name the instrument used to measure and record an earthquake.
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- Which scale measures the intensity of earthquake measured ? Who develo...
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- Earthquake of what intensity is considered safe on Richter Scale.
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- What is the cause for production of sound ? Can sound propagate in vac...
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- What is the time for persistence of hearing ?
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- What is the velocity of sound on moon ?
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- Which animal can hear infrasonics ?
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