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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
Name the spherical mirror which can produce a virtual and diminished image of an object.
Name the spherical mirror which (i) diverges (ii) converges the beam of light incident on it. Justify your answer by drawing a ray diagram in each case.
Upto what maximum distance from a concave mirror, the image can be obtained? What will be the location of object for it?
Answer the following question:
Distinguish between the convex mirror and the concave mirror.
The following figure shows a concave mirror with its pole (P), focus (F), and center of curvature (C). Draw a ray diagram to show the formation of the image of an object AB by the concave mirror.

Complete the following diagrams shown in the following figures by drawing the reflected rays.

Define focal length.
Visit a nearby hospital. You can also visit the clinic of an ENT specialist, or a dentist. Request the doctor to show you the mirrors used for examining ear, nose, throat and teeth. Can you recognise the kind of mirror used in these instruments?
