Advertisements
Advertisements
प्रश्न
Answer the following question :
Can sound travel in vacuum?
Advertisements
उत्तर
No, sound cannot travel in vacuum as it requires a material medium for its propagation.
APPEARS IN
संबंधित प्रश्न
What is loudness of sound? What factors does it depend on?
Fill in the blank.
________ produces a sensation in ears.
In an experiment, Anhad studies sound waves. He sets up a loudspeaker to produce sound as shown below :
Anhad adjusts the signal to the loudspeaker to give a sound of frequency 200 Hz.
(a) What happens to the air in-between Anhad and the loudspeaker ?
(b) Explain how Anhad receives sound in both ears.
Draw a displacement-distance graph of a wave and mark on it, the amplitude of wave by the letter 'a' and wavelength of wave by the letter λ.
Complete the following sentences :
Wave velocity = ________________ × wavelength.
What is approximate value of the speed of sound in iron as compared to that in air? Illustrate your answer with a simple experiment.
Explain how the principle of echo is used by
The bat during its flight at night
The amplitude of the sound wave decides its
Waves created by Earth Quake are Infrasonic.
The elastic property of medium is a factor of ______ medium.
