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Factors Affecting Speed of Sound

Sound wave ha...

Question

Sound wave has different speed in different mediums because:

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Solution

Sound wave has different speed in different mediums because:different mediums has different density so that's why speed is different(because speed of sound depends on density of mediums).

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Sound wave has different speeds in different mediums because:

Sound waves have different speeds in different media because:

Q. Following statements which are true for light waves but not for sound waves are/is

(I) The speed of waves is greater in vacuum than in a medium
(II) Waves of different frequencies travel with different speeds in a medium
(III) Waves travel with different speeds in different media.

Q. Fill in the blanks with the correct words.
1. Sound is produced because of .................... (vibrations/refractions).
2. Sound travels through air by means of .................... (compressions/depressions) and .................... (rarefactions/refractions).
3. Sound needs a .................... (medium/vacuum) to travel.
4. The .................... (pinna/ear drum) collects sound waves and directs them to the ear tube.
5. The speed of sound is .................... (same/different) in different substances.

Q. Assertion: The velocity of a sound wave is different in different mediums but pitch remains unchanged.
Reason: The velocity of a sound wave depends on the source, but pitch depends on the vibration of particles.

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Factors Affecting Speed of Sound

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