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Sahay Sir > Question Answers > MTG NEET Physics > Part 2 > Chapter 9 - Ray Optics > Consider an optical system consisting of a concave mirror M1 and convex mirror M2 of radii of curvatures 60 cm and 20 cm respectively. Two mirrors are separated by a distance of 40 cm. An object O is placed at a distance 80 cm from P. The final image is formed at a distance

Consider an optical system consisting of a concave mirror M1 and convex mirror M2 of radii of curvatures 60 cm and 20 cm respectively. Two mirrors are separated by a distance of 40 cm. An object O is placed at a distance 80 cm from P. The final image is formed at a distance

The length of the telescope is 36 cm. The focal lengths of its lens can be