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प्रश्न
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.
What is the nature of spherical mirror?
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उत्तर
The spherical mirror is concave.
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संबंधित प्रश्न
Explain the following term related to spherical lenses:- principal axis
Explain the following term related to spherical lenses:- principal focus
A ray of light is incident on a plane mirror at an angle of 30°. What is the angle of reflection
A ray of light is incident normally on a plane mirror. What will be the
angle of reflection?
Define (a) centre of curvature (b) radius of curvature (c) pole (d) principal axis, and (e) aperture, of a spherical mirror with the help of a labelled diagram
Complete the following diagrams shown in Fig. by drawing the reflected ray for each of the incident ray A and B.
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.
A point light source is kept in front of a convex mirror at a distance of 40 cm. The focal length of the mirror is 40 cm. Find the position of image.
An object is placed at 4 cm distance in front of a concave mirror of radius of curvature 24 cm. Find the position of image. Is the image magnified?
An object forms a virtual image which is 1/8th of the size of the object. If the object is placed at a distance of 40 cm from the convex mirror, calculate:
- the position of the image
- the focal length of the convex mirror.
Define linear magnification produced by a mirror?
What is the relationship between the focal length and radius of curvature?
Define the term Pole.
An object is placed at a distance of 0.25 m
in front of a plane mirror. The distance between the object and image will be ______.
If the real image of a candle flame formed by a lens is three times the size of the flame and the distance between lens and image is 80 cm, at what distance should the candle be placed from the lens?
A ray of light is incident towards a plane mirror at an angle of 30° with the mirror surface. What will be the angle of reflection?
The image formed in a plane mirror is always inverted.
