A pencil of size 5 cm is placed in front of a convex lens, 25 cm away from its optical centre. Radius of curvature of the lens is 30 cm. The image of the pencil will be formed at A + 37.5 cm B - 37.5 cm C + 0.03 cm D - 0.03 cm
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answer: The size of the image is 10 cm and the image is real and inverted. Explanation: Given that, Height of object h = 5 cm. Focal length f = 20 cm. The distance of the object u = -30 cm. Using lens's formula. The image is formed at 60 cm on the other side from the lens. The magnification is. The image is real, inverted
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