The distance between the pinhole and the screen in a pinhole camera is doubled from 20 cm to
40cm. How will the size of the image change?
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sorry but I dont know about this
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If the distance between the pinhole and screen is reduced, the size of the image will decrease and the image will become bright since the light spreads over a small area. If the distance between the pinhole and screen is increased, the image size will increase and the image however will get less bright since the light spreads over a large area.
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