Question

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

Answer 1

Answer

Explanation:

299 792 458 m / s

Answer 2

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.