Observe the figure given below and determine in which case would you be able to see the candle flame clearly from the left end? Assume pipes to be opaque and not shiny.

(i)

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(ii)

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(iii)

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(iv)

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Solution

The correct option is D (iv)
Candle flame would be seen clearly in case (iv) as the light travels in a straight path. In other cases, the light would get absorbed by the pipe and hence flame would be not visible on the left end.

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Observe the figure given below and determine in which case would you be able to see the candle flame clearly from the left end? Assume pipes to be opaque and not shiny.

The correct option is D (iv)Candle flame would be seen clearly in case (iv) as the light travels in a straight path. In other cases, the light would get absorbed by the pipe and hence flame would be not visible on the left end.

The correct option is D (iv)
Candle flame would be seen clearly in case (iv) as the light travels in a straight path. In other cases, the light would get absorbed by the pipe and hence flame would be not visible on the left end.