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BidishaKashayap1333
@bidishakashayap1333
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Joined: Oct 11, 2021
Last seen: Jul 27, 2023
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Topics: 2174 / Replies: 0
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Topic
Explain why the flash of lightning reaches us first and the sound of thunder is heard a little later.
4 years ago
Forum
Sound
Replies: 0
Views: 261
Topic
A cricket ball is seen to hit the bat first and the sound of hitting is heard a little later. Why?
4 years ago
Forum
Sound
Replies: 0
Views: 107
Topic
(a) Distinguish between longitudinal and transverse waves. (b) Are sound waves longitudinal or transverse?
4 years ago
Forum
Sound
Replies: 0
Views: 84
Topic
Explain the term ‘amplitude’ of a wave. Draw the diagram of a wave and mark its amplitude on it.
4 years ago
Forum
Sound
Replies: 0
Views: 228
Topic
What is vacuum? Explain why sound cannot travel through vacuum?
4 years ago
Forum
Sound
Replies: 0
Views: 81
Topic
Sound is caused by ……….. (b) A sound wave consists of places of higher pressure called ………. and places of ……….. pressure called
4 years ago
Forum
Sound
Replies: 0
Views: 99
Topic
If 20 waves are produced per second, what is the frequency in hertz?
4 years ago
Forum
Sound
Replies: 0
Views: 236
Topic
What will be the change in the wavelength of a sound wave in air if its frequency is doubled?
4 years ago
Forum
Sound
Replies: 0
Views: 80
Topic
Calculate the frequency of a wave whose time period is 0.02s.
4 years ago
Forum
Sound
Replies: 0
Views: 283
Topic
What is the time period of a tuning fork whose frequency is 200 Hz?
4 years ago
Forum
Sound
Replies: 0
Views: 251
Topic
A tuning fork has a number 256 marked on it. What does this number signify?
4 years ago
Forum
Sound
Replies: 0
Views: 214
Topic
In which medium sound travels faster air or hydrogen?
4 years ago
Forum
Sound
Replies: 0
Views: 80
Topic
Which term is used to denote a speed greater than the speed of sound?
4 years ago
Forum
Sound
Replies: 0
Views: 78
Topic
Which of the following travels slowest in air and which one fastest Supersonic aircraft, light, sound.
4 years ago
Forum
Sound
Replies: 0
Views: 89
Topic
State whether the following statement is true or false: Sound produced by a vibrating body travels to our ears by the actual movement of air.
4 years ago
Forum
Sound
Replies: 0
Views: 194
Topic
What conclusion can be obtained from the observation that when the prongs of a sound making tuning fork touch the surface of water in a beaker, the water gets splashed?
4 years ago
Forum
Sound
Replies: 0
Views: 269
Topic
What is the nature of sound waves in air?
4 years ago
Forum
Sound
Replies: 0
Views: 205
Topic
Name the device which is used to produce sound in laboratory experiments.
4 years ago
Forum
Sound
Replies: 0
Views: 118
Topic
What is the name of the strings which vibrate in our voice box when we talk?
4 years ago
Forum
Sound
Replies: 0
Views: 72
Topic
What should an object do to produce sound?
4 years ago
Forum
Sound
Replies: 0
Views: 73
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