A convex lens of focal length 15 cm is placed on a plane mirror. An object is placed at 20 cm from the lens. The image is formed
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A convex lens of focal length 15 cm is placed on a plane mirror. An object is placed at 20 cm from the lens. The image is formed A convex lens of focal length 15 cm is placed on a plane mirror. An object is placed at 20 cm from the lens. The image is [...]