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Sound Properties

Question 4Sou...

Question

Question 4
Sound travels in air if

(a) particles of medium travel from one place to another
(b) there is no moisture in the atmosphere
(c) disturbance moves
(d) both particles as well as disturbance travel from one place to another

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Solution

(c) disturbance moves

Particles does not travel from one place to another. It’s the disturbance which travel from one point to another.

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Similar questions

Q. Question 4
Sound travels in air if

(a) particles of medium travel from one place to another
(b) there is no moisture in the atmosphere
(c) disturbance moves
(d) both particles as well as disturbance travel from one place to another

Sound travels in air :

(a) if particles of medium travel from one place to another

(b) if there is no moisture in the atmosphere

(c) if disturbance moves

(d) if both, particles as well as disturbance move from one place to another

What are the characteristics of longitudinal waves? Do particles travel from one place to another place? Is sound is a longitudinal wave?

Q. Complete the following sentences:
When sound travels in a medium, the particles of medium ______ but the disturbance ______.

Q. When a wave travels from one medium to another medium, the wavelength changes but not the frequency. The wavelength of the sound disturbance 30 cm in air and of the wave velocity is 340 m/s. What will be the wavelength of the disturbance in helium and water? The speed of sound in helium is 970 m/s and 1450 m/s in water.

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Sound Properties

Standard VI Physics

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