an object of height 5cm is placed in the front of a lens find the position,size and nature of the image if lens is- (a) convex lens of focal length 15 cm. (b) a concave lens of focal length 10 cm . distance of object and lens is 10cm
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an object of height 5cm is placed in the front of a lens find the position,size and nature of the image if lens is- (a) convex lens of focal length 15 cm. (b) a concave lens of focal length 10 cm . distance of object and lens is 10cm
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