Question

Justify that phase velocity is greater than speed of light

Answer 1

Answer:

No, light can't be accelerated to faster than c. Any blip of light traveling in a vacuum will move at that speed

Answer 2

Phase velocity is greater than the speed of light and the live example we see e is the glowing of bulb as in 8 phase velocity of the electric charge is much higher than the volume of the speed of light in the vacuum .