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प्रश्न
What is a mirror formula?
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उत्तर
Mirror formula is the relation between the focal length f of the mirror, the distance u of the object from the pole of the mirror, and the distance v of the image from the pole.
Mirror formula is
1/v +1/u = 1/f.
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संबंधित प्रश्न
Explain the following term related to spherical lenses:- centres of curvature
Give one use each of a concave and a convex mirror.
What type of image is formed:
- in a plane mirror?
- on a cinema screen?
How is the focal length of a spherical mirror related to its radius
Which are the two convenient rays that are chosen to construct the image by a spherical mirror for a given object? Explain with the help of suitable ray diagrams.
Complete the following diagrams shown in the following figures by drawing the reflected rays.
Define the term Centre of curvature.
Draw a ray diagram to show that a convex mirror has a wider field of view.
