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प्रश्न
Define the term Focus of a concave mirror.
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उत्तर
The focus of a concave mirror is a point on the principal axis of the mirror, where all the rays travelling parallel to the principal axis and close to it after reflection from the mirror converge to that point.
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संबंधित प्रश्न
Find out the letters of English alphabet or any other language known to you in which the image formed in a plane mirror appears exactly like the letter itself. Discuss your findings.
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Solar furnace
Support your answer with reason.
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Draw a labelled ray diagram to illustrate your answer.
