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प्रश्न
following Figure shows two rays A and B being reflected by a mirror and going as A' and B'. The mirror
विकल्प
is plane
is convex
is concave
may be any spherical mirror.
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उत्तर
is plane
This is because the reflected rays are still parallel, which is only possible if the mirror is a plane mirror. A spherical mirror will either converge or diverge the reflected rays.
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संबंधित प्रश्न
Use the mirror equation to show that an object placed between f and 2f of a concave mirror produces a real image beyond 2f.
Use the mirror equation to show that a convex mirror always produces a virtual image independent of the location of the object.
Use the mirror equation to deduce that an object placed between the pole and focus of a concave mirror produces a virtual and enlarged image.
An object is kept on the principal axis of a concave mirror of focal length 10 cm. at a distance of 15
cm from its pole. The image formed by the mirror is:
(a) Virtual and magnified
(b) Virtual and diminished
(c) Real and magnified
(d) Real and diminished
Use the mirror equation to show that an object placed between f and 2f of a concave mirror forms an image beyond 2f.
Define the term 'limit of resolution'?
Can a plane mirror ever form a real image?
Which of the following (referred to a spherical mirror) do (does) not depend on whether the rays are paraxial or not?
(a) Pole
(b) Focus
(c) Radius of curvature
(d) Principal axis
Find the maximum angle of refraction when a light ray is refracted from glass (μ = 1.50) to air.
Find the angle of deviation suffered by the light ray shown in figure. The refractive index μ = 1.5 for the prism material.
Name the physical principle on which the working of optical fibers is based.
For paraxial rays, show that the focal length of a spherical mirror is one-half of its radius of curvature.
A point object is placed at a distance of 20 cm from a thin plano-convex lens of focal length 15 cm, if the plane surface is silvered. The image will form at:
A parallel beam of light is allowed to fall on a transparent spherical globe of diameter 30cm and refractive index 1.5. The distance from the centre of the globe at which the beam of light can converge is ______ mm.
The focal length f is related to the radius of curvature r of the spherical convex mirror by ______.
When a clock is viewed in a mirror, the needles exhibit a time which appears to be 8:20. Then the actual time will be:
