ON EARTH WHEN WE SWITCH ON OUR TORCH THEN ITS LIGHT TRAVEL SOME DISTANCE , IT STOPS AFTER TRAVELLING SOME DISTANCE WILL IT TRAVEL MORE DIATANCE OR UNLIMITED DISTANCE IN VACUME AS THERE IS NO AIR OR ANYTHING . ON EARTH DUE TO FRICTION LIGHT TRAVEL SOME DISTANCE BUT IN VACUME THERE IS NO AIR OR OTHER MEDIUM FOR LIGHT SO WILL IT TRAVEL UNLIMITED DISTANCE OR IT WILL STOP AT SOME DISTANCE IF IT WILL STOP THEN WHAT IS THE REASON BEHIND STOPPING OF LIGHT?

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Solution

Light travels in all direction with constant speed of light.
We can see the object when light after reflecting from the object reaches to our eyes.

When there is nothing in path of the light ray to reflect the light , we do not get any light back therefore light keep on moving.

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Light travels in all direction with constant speed of light. We can see the object when light after reflecting from the object reaches to our eyes. When there is nothing in path of the light ray to reflect the light , we do not get any light back therefore light keep on moving.

Light travels in all direction with constant speed of light.
We can see the object when light after reflecting from the object reaches to our eyes.

When there is nothing in path of the light ray to reflect the light , we do not get any light back therefore light keep on moving.