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What is the speed of light in air?- any of these can be correct depending on the air temperature- 2.00x108 m/s- 3.00x108 m/s- 2.89x108 m/s
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What is the speed of light in air?- any of these can be correct depending on the air temperature- 2.00x108 m/s- 3.00x108 m/s- 2.89x108 m/s

User Paagalpan
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Light is an electromagnetic wave, and because of that, it doesn't need any material medium to propagate.

Also, the speed of light is not affected by temperature.

The speed of light in air is a constant value, equal to 3 * 10^8 m/s.

Therefore the correct option is the third one.

User Ian Warwick
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