what is the speed of light?
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Answer:
300^8 m/per second
Explanation:
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Answer:
- In vaccum speed of light is a universal physical constant.
- As light propagates the speed through transparent materials like air or glass is less than physical constant (c)
- As light is electromagnetic wave.
- It travels in definite speed in vaccum,
- It differ the speed in different media.
- Therefore the speed of light in air is =299,705km/sec.
- Or 2.99705×10⁸m/s.
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