Question

All electromagnetic waves travel with the same velocity​

Answer 1

Explanation:

Electromagnetic Radiation. ... Generally speaking, we say that light travels in waves, and all electromagnetic radiation travels at the same speed which is about 3.0 * 108 meters per second through a vacuum. We call this the "speed of light"; nothing can move faster than the speed of light.

Answer 2

Answer:

We all em waves have photons which have same mass nd same velocity....and concluded that the speed never changes coz photos are massless and travel with the same speed.

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