Then what matter is present in space which makes light to travel
As I said, light does not need a medium for propagation like sound. As far as space is concerned it does contain few number of atoms of hydrogen and helium per unit volume. In order to be a perfect vacuum it should be devoid of all matter including energy fluctuations, which is practically impossible according to the quantum theory.
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What do you mean by, "it can tense in vacuum"?
Sorry I meant travel
Still travelling of photons needs something to travel. A light act as a wave and wave need some medium to travel?
Negative check out on Wikipedia if photons needed medium the would be kinetic, like sound
Photons have kinetic energy more than sound waves and have much more speed than sound waves. Wikipedia is fake its not any scientist.