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प्रश्न
Select the correct option:
A mirror forms a virtual image (diminished) of an object, whatever be the position of object:
पर्याय
it must be a concave mirror
it must be a convex mirror
it must be a plane mirror
it may be convex mirror or plane mirror
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उत्तर
it must be a convex mirror
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संबंधित प्रश्न
Which type of mirror can form a real image?
A ray of light is incident on a plane mirror at an angle of 30°. What is the angle of reflection
A diverging lens is used in:
(a) a magnifying glass
(b) a car to see objects on rear side
(c) spectacles for the correction of short sight
(d) a simple camera
How is a spherical mirror used to diverge a beam of light from a point? Name the type of mirror used.
Three mirrors are created from a single sphere. Which of the following - pole, centre of curvature, radius of curvature, principal axis - will be common to them and which will not be common?
For what position of object, the image formed by a concave mirror is magnified and erect?
Which mirror will you prefer to use as a rear view mirror in a car : plane mirror or convex mirror? Give one reason.
When an object of height 1 cm is kept at a distance 4 cm from a concave mirror, its erect image of height 1.5 cm is formed at a distance 6 cm behind the mirror. Find the focal length of mirror, by drawing.
Numerical problem.
The radius of curvature of a spherical mirror is 25 cm. Find its focal length.
