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how many hours of light speed?

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Wael’s Answer

The first link would would talk about the speed of light in general. The second link is a youtube channel that you would like.


https://www.youtube.com/watch?v=msVuCEs8Ydo&ab_channel=PBSSpaceTime
https://www.youtube.com/channel/UCZYTClx2T1of7BRZ86-8fow?&ab_channel=SciShow
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Sandhya’s Answer

Hi Pravin,
Thank you for your question.


The speed of light in vacuum, commonly denoted c, is a universal physical constant important in many areas of physics. Its precise value is 299792458 meters per second (approximately 3.00×108 m/s), since the length of the meter is defined from this constant and the international standard for time.
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