Speed of light in air medium is

3 \times 10^{4} k m / s

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3 \times 10^{6} k m / s

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3 \times 10^{5} k m / s

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3 \times 10^{3} k m / s

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Solution

The correct option is A $3 \times 10^{5} k m / s$
The speed of light in air medium is $3 \times 10^{8} m / s = 3 \times 10^{5} k m / s$ . This is the maximum possible speed of anything in the universe.

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Similar questions

The speed of light in air is: (a) $3 \times 10^{8} c m / s$ (b) $3 \times 10^{8} m m / s$ (c) $3 \times 10^{8} k m / s$ (d) $3 \times 10^{8} m / s$

X

1.5 \times 10^{8} m / s

3 \times 10^{8} m / s

X

3 \times 10^{8}

\sqrt{3} \times 10^{8}

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