Question

you have to cast a shadow of your pencil on the wall with the help of the candle in a dark room.how can you obtain shadow of the same size and of a big size of the same pencil​

Answer 1

Place the pencil against the wall.

Answer 2

Answer:

place the pencil agenst a wall

Explanation:

By bringing the candle towards the pencil , the size of the shadow will increase while taking it away from the pencil , the size will decrease. If we keep the candle in position , the size of the shadow will not change.