Question:

If the speed of light is 3.0×108 ms–1, calculate the distance covered by light in 2.00 ns.

Updated On: Nov 8, 2023
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Solution and Explanation

According to the question:
Time taken to cover the distance = 2.00 ns
= 2.00 x 10-9 s
Speed of light = 3.0 x 108 ms-1
Distance travelled by light in 2.00 ns
= Speed of light x Time taken 
= (3.0 x 108 ms-1)(2.00 x 10-9 s)
= 6.00 x 10-1 m
= 0.600 m

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