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प्रश्न
Name the type of mirror used in the following situation:
Side/rear-view mirror of a vehicle
Support your answer with reason.
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उत्तर
Convex Mirror: This is because a convex mirror is used as side/rear view mirror because its field of view is larger and it forms virtual, erect and diminished images of objects behind.
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संबंधित प्रश्न
A ray of light is incident on a plane mirror at an angle of 30°. What is the angle of reflection
What type of image is formed:
on a cinema screen?
Write true or false
A virtual image formed by a spherical mirror is always erect and situated behind the mirror.
How is the focal length of a spherical mirror related to its radius
State the number of images of an object placed between two mirrors, formed in each case when mirrors are inclined to each other at (a) 90°, and (b) 60°.
Figure shows a concave mirror with its pole at P, focus F and centre of curvature C. Draw ray diagram to show the formation of image of an object OA.
Discuss the position and nature of image formed by a convex mirror when an object is moved from infinity towards the pole of mirror.
Name the kind of mirror used to obtain:
A virtual and diminished image
State the kind of mirror used
(a) By a dentist,
(b) As a search-light reflector.
The radius of curvature of a convex mirror is 40 cm. Find its focal length.
Define the following term in relation to concave mirror.
Radius of curvature
Define the term Normal.
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?
For a spherical mirror, ______ is true.
