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प्रश्न
What is the relation between focal length and radius of curvature of a concave mirror?
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उत्तर
Focal length of a spherical mirror is equal to half of the radius of curvature of spherical mirror.
Focal length = `"Radius of curvature"/2`
f = `"R"/2`
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संबंधित प्रश्न
What is a virtual image?
What is the name of the phenomenon in which the right side of an object appears to be the left side of the image in a plane mirror?
Name the spherical mirror which has:
(a) virtual principal focus.
(b) real principal focus.
What is the relation between the focal length and radius of curvature of a spherical mirror (concave mirror or convex mirror)?
An object forms a virtual image which is 1/8th of the size of the object. If the object is placed at a distance of 40 cm from the convex mirror, calculate:
- the position of the image
- the focal length of the convex mirror.
Select the correct option:
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