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प्रश्न
What kind of mirror is required for obtaining a virtual image of the same size as the object?
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उत्तर
A plane mirror is required in order to obtain a virtual image of the same size as the object, as this is one of the properties of a plane mirror.
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संबंधित प्रश्न
Explain the following term related to spherical lenses:- optical centre
An image formed by a ______ mirror is always of the same size as that of the object.
A ray of light is incident normally on a plane mirror. What will be the
angle of reflection?
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?
- Which type of spherical mirror will it provide?
- State whether this spherical mirror will diverge or converge light rays.
A coin placed at the bottom of a vessel appears to be raised when water is poured in the vessel.
What is a spherical mirror?
A student obtained on a screen the sharp image of a candle flame placed at the farther end of laboratory table using a concave mirror. For getting better value of focal length of the mirror, the teacher suggested to him to focus the sun. What should the student do?
(A) Should move the mirror away from the screen.
(B) Should move the mirror towards the screen.
(C) Should move the mirror and screen both towards the sun.
(D) Should move only the screen towards the sun.
State the two convenient rays that are chosen to construct the image by a spherical mirror for a given object? Explain your answer with the help of suitable ray diagrams.
What type of mirror can be used to obtain a real image of an object?
Which mirror will you prefer to use as a rear view mirror in a car : plane mirror or convex mirror? Give one reason.
State two uses of a concave mirror.
For an incident ray directed towards centre of curvature of a spherical mirror the reflected ray:
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.
The sun is seen before the sunrise and after the sunset.
Define the following term in relation to concave mirror.
Principal focus
Complete the following diagrams shown in the following figures by drawing the reflected rays.
Define focal length.
Name the two types of spherical mirrors.
