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प्रश्न
A ray of light is incident normally on a plane mirror. What will be the
angle of incidence?
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उत्तर
The angle of incidence is 0o because the incident ray is parallel to the normal.
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संबंधित प्रश्न
Define the following term in the context of spherical mirrors:- Centre of curvature
Define the following term in the context of spherical mirrors:- Principal axis
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?
What is a spherical mirror?
AB and CD, two spherical mirrors, from parts of a hollow spherical ball with its centre at O as shown in the diagram. If arc AB = `1/2` arc CD, what is the ratio of their focal lengths? State which of the two mirrors will always form virtual image of an object placed in front of it and why.
Explain the meaning of the terms focus and focal length in case of a convex mirror, with the help of suitable ray diagram.
Draw a ray diagram to show the formation of image by a concave mirror for the object beyond its centre of curvature. State three characteristics of the image.
For what position of object, the image formed by a concave mirror is magnified and erect?
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.
State the kind of mirror used
(a) By a dentist,
(b) As a search-light reflector.
The erect image formed by a concave mirror is of size double the size of object. How are u and v related?
Define the term Pole.
Draw a ray diagram to show that a convex mirror has a wider field of view.
The distance from the pole to the focus is called ______.
Numerical problem.
The radius of curvature of a spherical mirror is 25 cm. Find its focal length.
