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प्रश्न
Define the term Focus of a concave mirror.
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
What is the relation between the focal length and radius of curvature of a spherical mirror (concave mirror of convex mirror)? Calculate the focal length of a spherical mirror whose radius of curvature is 25 cm.
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(b) as a street light reflector.
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How will you distinguish between a plane mirror, a concave mirror and a convex mirror, without touching them?
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- the position of the image
- the focal length of the convex mirror.
Define the term Aperture.
What is the relationship between the focal length and radius of curvature?
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Define the radius of curvature.
