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woleraymond
A convex lens with focal length 15cm is placed 45cm away from the object 2.5 cm tall. a - Determine the position and the size of the image b- If the convex lens were a concave lens, what is the value of the magnitude of the image and the image distance
1/f=1/p+1/q p=object distance q=image distance convert all distances in meter then calculate it