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प्रश्न
What is a spherical mirror?
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उत्तर
Spherical mirror. “A mirror which is made from a part of a hollow sphere is called SPHERICAL MIRROR.
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संबंधित प्रश्न
One half of a convex lens of focal length 10 cm is covered with a black paper. Can such a lens produce an image of a complete object placed at a distance of 30 cm from the lens? Draw a ray diagram to justify your answer. A 4 cm tall object is placed perpendicular to its principal axis of a convex lens of focal length 20 cm. The distance of the object from the lens is 15 cm. Find the nature, position and the size of the image.
Define the following term in the context of spherical mirrors:- Principal focus
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.
State the kind of mirror used
(a) by a dentist, and
(b) as a street light reflector.
Complete the following diagrams shown in Fig. by drawing the reflected ray for each of the incident ray A and B.

Select the correct option:
A mirror forms a virtual image (diminished) of an object, whatever be the position of object:
Complete the following diagrams shown in the following figures by drawing the reflected rays.

The spherical mirror with a reflecting surface curved inward is called
The radius of curvature of a spherical mirror is 18 cm. What is the focal length of this mirror?
