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प्रश्न
Write true or false for a given statement.
Sound can travel in a vacuum.
पर्याय
True
False
उत्तर
False.
Sound requires medium to travel.
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संबंधित प्रश्न
In which of the three media, air, water or iron, does sound travel the fastest at a particular temperature?
Which of the following travels slowest in air and which one fastest? Supersonic aircraft, Light, Sound
A cricket ball is seen to hit the bat first and the sound of hitting is heard a little later. Why?
Helium gas is filled in two identical bottles A and B. The mass of the gas in the two bottles is 10 gm and 40 gm respectively. If the speed of sound is the same in both bottles, what conclusions will you draw?
The velocity of sound is independent of temperature.
The Velocity of sound is high in gases than liquids.
Why does sound travel faster on a rainy day than on a dry day?
A strong sound signal is sent from a ship towards the bottom of the sea. It is received back after 1s. What is the depth of sea given that the speed of sound in water 1450 ms–1?
Establish the relationship between the speed of sound, its wavelength and frequency. If the velocity of sound in air is 340 m s–1, calculate
(i) wavelength when the frequency is 256 Hz.
(ii) frequency when the wavelength is 0.85 m
Assertion: The speed of sound in air is less than the speed of sound in solid.
Reason: If we increase the temperature of medium, the speed of sound increases in any medium.
