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प्रश्न
Select the correct option:
A ray of light is incident on a concave mirror. If it is parallel to principal axis, the reflected ray will:
विकल्प
pass through its principal focus
pass through its centre of curvature
pass through its pole
retraces its path
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उत्तर
pass through its principal focus
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संबंधित प्रश्न
Fill in the blank
The image formed by a plane mirror is erect and _____
Why is it difficult to read the image of the text of a page formed due to reflection by a plane mirror?
How many images are formed for a point object kept in between two plane mirrors at right angles to each other? Show them by drawing a ray diagram.
Two plane mirrors are arranged parallel and facing each other at some separation. How many images are formed for a point object kept in between them? Show the formation of images with the help of a ray diagram
A ray of light strikes a plane mirror, such that the angle with the mirror is 20°. What is the value of angle of reflection? What is the angle between the incident ray and the reflected ray?
Prove experimentally that images are formed as far behind in a plane mirror as the object is in front of it.
Prove geometrically that when plane mirror turns through a certain angle, the reflected ray turns through twice the angle.
An insect is sitting in front of a plane mirror at a distance of one meter from it.
- Where is the image of insect formed?
- What is the distance between insect and its image?
- State any two characteristics of image formed in a plane mirror.
Parallel rays are incident:
- on regular surface and
- on irregular surface. In what respect do reflected rays in (1) differ from those of (2)?
Select the correct option:
In case of concave mirror, the minimum distance between an object and its real image is:
