SPHERICAL MIRRORS AND LENSES MCQs

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1. . The principal focus of a concave mirror is:





2. . Which type of image is formed by a convex lens on a screen?





3. . Which type of image is produced by the converging lens of human eye if it views a distant object?





4. . An object is placed at the center of curvature of a concave mirror. The image produced by the mirror is located:





5. . If p = 10, q = 30 cm, then magnification will be:





6. . The formula for focal length is:





7. . The magnification formula for compound microscope is:





8. . The relationship between focal length ‘f’ and radius of curvature ‘r’ of a spherical mirror is:





9. . If an object is placed at C of the concave mirror, then the image formed will be:





10. . If an object is placed within the focal length of a concave mirror then the image formed will be:





11. . The radius of curvature of a concave mirror is 40 cm, its focal length will be equal to:





12. . The unit for the power of lens is:





13. . The focal length of a lens is 20 cm; its power in dioptre will be equal to:





14. . If an object is placed in front of a convex lens in between its F and 2F then the image will be:





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