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प्रश्न
Name the two kinds of spherical mirrors and distinguish between them.
उत्तर
Two kinds of spherical mirrors are concave and convex.
Distinction between concave and convex mirror: A concave mirror's bulging surface is silvered and reflection takes place from the hollow surface but a convex mirror's inner surface is silvered and reflection takes place from the bulging surface.
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संबंधित प्रश्न
An image which can be obtained on a screen is called a ______ image.
A concave mirror always forms a real image.
The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror:
What will be the focal length of this mirror?
Define the terms focus and focal length of a concave mirror. Draw diagram to illustrate your answer.
An object of length 4 cm is placed in front of a concave mirror at distance 30 cm. The focal length of mirror is 15 cm.
- Where will the image form?
- What will be the length of image?
An object 5 cm high forms a virtual image of 1.25 cm high, when placed in front of a convex mirror at a distance of 24 cm. Calculate:
- the position of the image
- the focal length of the convex mirror.
Select the correct option:
A mirror forms a virtual image (diminished) of an object, whatever be the position of object:
What do you understand by the term real image?
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?
Define the radius of curvature.
