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An object is placed 10 cm in front of a convex mirror of focal length 20 cm. The distance of the image from the mirror is

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Light or visible light is electromagnetic radiation that can be perceived by the human eye. Visible light is usually defined as having wavelengths in the range of 400–700 nanometres, corresponding to frequencies of 750–420 terahertz, between the infrared and the ultraviolet.


An object is placed 10 cm in front of a convex mirror of focal length 20 cm. The distance of the image from the mirror is






 
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