Question

why tip of a lighted candle cannot be seen through a bent pipe?​

Answer 1

Answer:

Due to its property called Rectilinear Propagation , light only travels in straight paths . Thus , when there's a bent pipe , light stops where the pipe is bent and can't be seen on the other side .

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Answer 2

Answer:

Light travels through a straight path and it never bends

When you to look through the bent pipe, the light rays cannot bend and reach your eyes

Hence you can't see it

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