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Step by step text solution for Define oscillatory motion. Give examples. by PHYSICS experts to help you in doubts & scoring excellent marks in Class 9 exams.
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MBD-SOUND-Example
- List the three characteristics of sound waves. State the factors on wh...
04:44
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- What is periodic motion ? Give three examples.
01:53
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- Define oscillatory motion. Give examples.
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- Differentiate between transverse waves and longitudinal waves.
03:39
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- How is sound propagated ? Can it be propagated through vacuum ? out of...
03:59
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- What are applications of ultrasound ?
02:30
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- Define the terms wave and wave motion.
01:23
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- Distinguish between a wave pulse and a periodic wave.
03:01
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- What are mechanical or elastic waves ? Give examples.
03:37
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- Explain in brief the dependence of speed of sound on nature of materia...
02:35
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- Define the terms time period and frequency of an oscillating body. Giv...
03:21
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- Give two practical applications of reflection of sound waves.
01:58
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- Distinguish between the terms music and noise.
02:47
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- How can bats ascertain distances, directions, nature and size of the o...
01:29
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- It is observed that some animals get disturbed before earthquake. How ...
01:47
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- What will be the frequency of Mohan's heart when it beats 75 times in ...
01:19
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- A boat strikes waves of ocean having crest 100 m away. The wave veloci...
01:22
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- A source of wave produces 40 crests and 40 trough in 0.4 s. Find the f...
01:08
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- A source produces a sound of wavelength. 1.7 xx 10^-2 m. If its veloci...
01:46
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- What will be the frequency of the wave, if its time period is 0.05 s ?
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