The speed of light in air is - a 3 - 108-m-s-1 b 330-m-s-1 c 5100-m-s-1 d 3 - 1010-m-s-1

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Standard IX

Physics

Speed of Sound vs Speed of Light

The speed of ...

Question

The speed of light in air is :

(a) $3 \times 10^{8} m s^{- 1}$

(b) $330 m s^{- 1}$

(c) $5100 m s^{- 1}$

(d) $3 \times 10^{10} m s^{- 1}$

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Solution

(a) $3 \times 10^{8} m s^{- 1}$

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The speed of light in air is : (a) 3×108 m s−1 (b) 330 m s−1 (c) 5100 m s−1 (d) 3×1010 m s−1

(a) 3×108 m s−1

The speed of light in air is :

(a) $3 \times 10^{8} m s^{- 1}$

(b) $330 m s^{- 1}$

(c) $5100 m s^{- 1}$

(d) $3 \times 10^{10} m s^{- 1}$

(a) $3 \times 10^{8} m s^{- 1}$