Both a spherical mirror and a thin spherical lens have a focal length – InterviewSolution

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1.	Both a spherical mirror and a thin spherical lens have a focal length of (+) 20 cm. What type of mirror and lens are these?
Answer» By convention, the focal LENGTH of a Convex mirror or a convex lens are TAKEN as positive . HENCE, both the spherical mirror and the thin spherical lens are convex in NATURE... Explanation:plz. mark me as brainliest and follow me....... ...

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