A convex mirror forms a virtual and erect image of a needle at a distance of 50 cm from it. Where is the needle placed in front of the convex mirror if focal length is 25 cm?
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Answer: The position of image should be at 2F, since the image is real and same size. It is given that the image of the needle is formed at a distance of 50 cm from the convex lens. Therefore, the needle is placed in front of the lens at a distance of 50 cm.
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The position of image should be at 2F, since the image is real and same size. It is given that the image of the needle is formed at a distance of 50 cm from the convex lens. Therefore, the needle is placed in front of the lens at a distance of 50 cm.
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