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प्रश्न
State the kind of mirror used
(a) By a dentist,
(b) As a search-light reflector.
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उत्तर
(a) Concave mirror
(b) Concave mirror
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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.
State the direction of incident ray which after reflection from a spherical mirror gets reflected along its own path. Give a reason.
Write two more characteristics of the image.
Discuss the position and nature of image formed by a concave mirror when an object is moved from infinity towards the pole of mirror.
The focal length of a concave mirror is 10 cm. Find its radius of curvature.
A point light source is kept in front of a convex mirror at a distance of 40 cm. The focal length of the mirror is 40 cm. Find the position of image.
Define the following term in relation to concave mirror.
Principal focus
Define the term Normal.
