speed of sound and light
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343m/s speed of sound
299 792 458 m/s speed of light..
299 792 458 m/s speed of light..
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SOUND :- sound is caused by a vibrating source. Vocal cords, thin ligaments inside the voice box, vibrate to produce sound. Speed of sound is faster in solids, slower in liquids and slowest in gases. Speed of sound in air is 340 m/ s. Noise is unwanted and displeasing sound.
LIGHT :- light is a form of energy. Light is one of the fastest travelling forms of energy, with a speed of 3×108 m/s. It travels in a straight line. Rays of light are reflected, when they fall on opaque objects.
LIGHT :- light is a form of energy. Light is one of the fastest travelling forms of energy, with a speed of 3×108 m/s. It travels in a straight line. Rays of light are reflected, when they fall on opaque objects.
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