Question

SPACE AND TIME.

i)What happens when an object approaches the speed of light .
ii)Can any wave move at the speed of light(only tell the simple reason)​

Answer 1

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I >> As an object approaches the speed of light, its mass rises ever more quickly (because of the equivalence of energy and mass which an object has due to its motion will add to its masses), so it takes more and more energy to speed it up further.
But in fact it the object can never reach the speed of light , because by then it's mass would have become infinity , and by the equivalence of mass and energy, it would have taken an infinite amount of energy to get it there. So, it is confirmed by relativity that any normal object will have speed slower than the speed of light.


II >> Only light , or other waves that have $\bf{no \: intrinsic \: mass}$ no intrinsic mass, i.e mass less wave can move at the speed of light, whereas it is not possible for any normal object which contains mass.

Answer 2

Answer:

Explanation:

the object can never reach the speed of light , because by then it's mass would have become infinity , and by the equivalence of mass and energy, it would have taken an infinite amount of energy to get it there. So, it is confirmed by relativity that any normal object will have speed slower than the speed of light.