Answer to Question #49100 in Optics for abdul

Question #49100
these are the values:So (cm) Si (cm) 15, 4.6 25, 4.3 35. 4.9 45. 3.9 3. A student has a convex lens of unknown focal length. He lights a candle in a darkened room and uses the lens and moves the screen until he forms a sharp image and records the distance from the candle to the lens and the distance from the lens to the screen. Below is a sketch of his set-up and his data. (a) What type of image is formed and what orientation is it? (b) Where is the image formed if the candle is placed 7 cm from the lens? (c) Use ray tracing to make a sketch when the object is 7 cm from the lens. (d) What effect would it have if only a shard of the same lens was used, instead of the entire lens?
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