Can only light particles (photons) travels at the speed of light? Can any travel at a higher speed than thatof light? Pl exp. with reason.

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Solution

Yes, only photons travels at the speed of light.

To attain a speed equal or higher than that of speed of light, infinite amount of energy is needed.

As it impractical to gain infinite amount of energy, no particle travel at a higher speed than that of light.

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