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Shown here is an L-shaped room. There is one bulb kept in the room as shown here. Which of the following correctly shows the parts of the room that will be brightly lit when the bulb is switched on?
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The correct answer is Option (A)
We know that,
Light always travel in a straight line i.e. rectilinear propagation of light. In the image given above, as the bulb is placed diagonally in the L-shaped room, so light rays will also fall diagonally resulting to diagonally brightly lit room.
Therefore, from all the options, it seems like option (A.) is the correct answer..
Hope it helped you...
Thank you !!!