The velocity of light in vacuum is : (1) 3 * 108 ms-1 (2) 2 * 108 ms-1 (3) 3 * 107 ms-1 (4) 3 * 106 ms-1

The velocity of light in vacuum is : (1) 3 * 108 ms-1 (2) 2 * 108 ms-1 (3) 3 * 107 ms-1 (4) 3 * 106 ms-1
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(1) 3 * 108 ms-1 Explanation: The speed of light in a vacuum is 186,282 miles per second that corresponds to about 3 * 108 ms-1.
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