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प्रश्न
The image formed by a spherical mirror is virtual. The mirror will be:
(a) concave
(b) convex
(c) either concave or convex
(d) metallic
विकल्प
concave
convex
either concave or convex
metallic
उत्तर
either concave or convex .
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संबंधित प्रश्न
Find the nature and focal length of a spherical mirror whose radius of curvature is +24 cm.
Explain with a suitable diagram, how a concave mirror converges a parallel beam of light rays. Mark clearly the pole, focus and centre of curvature of concave mirror in this diagram.
What happens to the image when the object is moved away from the mirror gradually?
State three characteristics of the image formed by a convex mirror.
Draw diagram to show how a convex mirror can be used to give a large field of view.
An object 1 cm tall is placed 30 cm in front of a convex mirror of focal length 20 cm. Find the size and position of the image formed by the convex mirror.
Draw ray diagrams to represent the nature, position and relative size of the image formed by a convex lens for the object placed:
between F1 and the optical centre O of the lens.
Which of the above two cases shows the use of convex lens as a magnifying glass? Give reasons for your choice.
An object at a distance of +15 cm is slowly moved towards the pole of a convex mirror. The image will get ______.
If the object is at infinity in front of a convex mirror the image is formed at infinity.
Which type of mirror is used in the following?
Street lights