The velocity of all electromagnetic radiation is :

3 \times 10^{8} m / s

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3 \times 10^{6} m / s

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3 \times 10^{9} c m / s

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none of these

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Solution

The correct option is A $3 \times 10^{8} m / s$
Electromagnetic radiation is a type of energy commonly known as light, generally, we say that light travels in waves and all electromagnetic radiation travels at the same speed which is about $3 \times 10^{8}$ m\s which is the speed of light.

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