The speed of light is:
(a) 4 lakh km/sec
(b) 3 lakh km/sec
(c) 3.6 lakh km/sec
(d) 4.3 lakh km/sec
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Explanation:
299 792 458 m / s
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The speed of light is 3 lakh km/sec.
The 3 lakh km/sec speed at which light travels is around 670 million miles in an hour. This is the same as 5.7 trillion miles in a year. In vacuum, the speed is 186,282 miles in a second.
Only various forms of electromagnetic radiation such as radio waves have the ability to travel at the speed of light.
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