What is the speed of light …
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Yogita Ingle 5 years, 8 months ago
The speed of sound refers to the distance travelled per unit time by a sound wave propagating through a medium. The speed of sound in air at 20oC is 343.2 m/s which translates to 1,236 km/h.
The speed of light in vacuum is c = 3 x 108 m/s
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