Question
You have to cast the shadow of your pencil on the wall with the help of a candle in a dark room. How can you obtain the shadow of the same size, small size and big size of the same pencil? [5 MARKS]
Answer:
:
If 2 Points: 3 Marks
If 3 Points: 5 Marks
(a) The shadow of the pencil will be small in size when the pencil is taken away from the candle and closer to the wall.
(b)The shadow will be big in size when the pencil is taken away from the wall and closer to the candle.
(c)To get the same sized shadow as the pencil, move the pencil to bring it at an equal distance between the wall and the candle.
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:
If 2 Points: 3 Marks
If 3 Points: 5 Marks
(a) The shadow of the pencil will be small in size when the pencil is taken away from the candle and closer to the wall.
(b)The shadow will be big in size when the pencil is taken away from the wall and closer to the candle.
(c)To get the same sized shadow as the pencil, move the pencil to bring it at an equal distance between the wall and the candle.
Was this answer helpful ?
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