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प्रश्न
The spherical mirror used in a beauty parlour as make-up mirror is _______.
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उत्तर
The spherical mirror used in a beauty parlour as a make-up mirror is Concave mirror.
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संबंधित प्रश्न
Name the spherical mirror which has:
(a) virtual principal focus.
(b) real principal focus.
When a spherical mirror is held towards the sun and its sharp image is formed on a piece of a carbon paper for some time, a hole is burnt in the carbon paper.
At which point of the spherical mirror the carbon paper is placed?
Define the terms focus and focal length of a concave mirror. Draw diagram to illustrate your answer.
Complete the following diagrams shown in Fig. by drawing the reflected ray for each of the incident ray A and B.
Discuss the position and nature of image formed by a convex mirror when an object is moved from infinity towards the pole of mirror.
Why does a driver use a convex mirror instead of a plane mirror as a rear view mirror?
Illustrate your answer with the help of a ray diagram.
Complete the following diagrams shown in the following figures by drawing the reflected rays.
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?
Visit a nearby hospital. You can also visit the clinic of an ENT specialist, or a dentist. Request the doctor to show you the mirrors used for examining ear, nose, throat and teeth. Can you recognise the kind of mirror used in these instruments?
