A) Light rays are very thin.
B) Light rays travel in straight lines.
C) The eye can only see a luminous body.
D) A beam of light is made up of a lot of light rays.
Correct Answer: B
Solution :
Rahul is able to observe the candle as the holes in the pieces of cardboard are in a straight line. Light rays always travel in a straight line. He is able to see the candle due to rectilinear propagation of light.You need to login to perform this action.
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