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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 2 > Chapter 18 - Refraction at Spherical Surfaces > When an object is moved along the axis is of a lens images three times the size, of the object are obtained when the object is at 16 cm and at 8 cm respectively from the lens. The focal length and nature of the lens are

When an object is moved along the axis is of a lens images three times the size, of the object are obtained when the object is at 16 cm and at 8 cm respectively from the lens. The focal length and nature of the lens are

of the object are obtained when the object is at 16 cm and at 8 cm respectively from the lens. The focal length and nature of the lens are When an object is moved along the axis is of a lens images three times the size