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Rectilinear Propagation of Light

Four students...

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Question 3

Four students A, B, C and D looked through pipes of different shapes to see a candle flame as shown in Fig.

Who will be able to see the candle flame clearly?

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Solution

Option (d) is the correct answer.

Light always travels in a straight line. So you can see the candle flame clearly in case of option (d). In other cases, the light will get reflected and absorbed as the pipes are not straight.

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Rectilinear Propagation of Light

Standard VI Physics

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