calculate the distance travelled by light in one and half years (given the speed of vacuum 3×10⁸ ms‐)
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Answer:
Presently, the speed of light in a vacuum is defined to be exactly 299,792,458 m/s (approximately 186,282 miles per second). The fixed value of the speed of light in SI units results from the fact that the metre is now defined in terms of the speed of light.
Explanation:
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Answer:
Distance = Speed X Time
Explanation:
The speed is 3 X 10^8 ms-1
So, distance = 3 X 10^8 x 47304000 seconds
= 141,912,000 mps
= 1.4 x 10^8 mps (approx)
= 1.4 x 10^5 kmps
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