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प्रश्न
A man standing in front of a special mirror finds his image having a very small head, a fat body and legs of normal size. What is the shape of:
(a) top part of the mirror?
(b) middle part of the mirror?
(c) bottom part of the mirror?
Give reasons for your choice.
उत्तर
(b) the middle of the mirror is concave, as it forms virtual, erect and large-sized image.
(c) the bottom of the mirror is a plane mirror, as it forms virtual, erect and image of the same size as the object.
संबंधित प्रश्न
A mirror forms an image which is 30 cm from an object and twice its height.
(a) Where must the mirror be situated?
(b) What is the radius of curvature?
(c) Is the mirror convex or concave?
What is the advantage of using a convex mirror as rear-view mirror in vehicles as compared to a plane mirror? Illustrate your answer with the help of labelled diagrams.
Draw diagram to show how a convex mirror can be used to give a large field of view.
A convex mirror used as a rear-view mirror in a car has a radius of curvature of 3 m. If a bus is located at a distance of 5 m from this mirror, find the position of image. What is the nature of the image?
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.
Light travels in the same straight line path while passing through different media.
The mirror used as rear-view mirror in vehicles ______.
The nature of image formed by a convex mirror when the object distance from the mirror is less than the distance between pole and focal point (F) of the mirror would be ______.
The field of view is maximum for ______.
Which type of mirror is used in the following?
Street lights
