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प्रश्न
Select the correct option:
A mirror forms a virtual image (diminished) of an object, whatever be the position of object:
विकल्प
it must be a concave mirror
it must be a convex mirror
it must be a plane mirror
it may be convex mirror or plane mirror
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उत्तर
it must be a convex mirror
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संबंधित प्रश्न
Explain the following term related to spherical lenses:- centres of curvature
What type of image is formed:
- in a plane mirror?
- on a cinema screen?
Discuss the position and nature of image formed by a convex mirror when an object is moved from infinity towards the pole of mirror.
Which mirror will you prefer to use as a rear view mirror in a car : plane mirror or convex mirror? Give one reason.
The focal length of a concave mirror is 10 cm. Find its radius of curvature.
Does the mirror name by your form a real image for all locations? Give a reason for your answer.
The following Figure shows a concave mirror MM' on which a ray of light incident from a point P gets reflected to meet the principle axis at O.
(a) Find, by construction, the position of the centre of curvature of the concave mirror.
(b) Write down the value for the radius of curvature of the mirror.
(c) Calculate the focal length of the mirror.
(d ) Which relation is used in deducing the focal length from the radius of curvature?
Name the two types of spherical mirrors.
