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प्रश्न
A ray of light is incident normally on a plane mirror. What will be the
angle of reflection?
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उत्तर
The angle of reflection is 0o in accordance with the first law of reflection, which states that the angle of incidence is equal to the angle of reflection.
संबंधित प्रश्न
Explain the following term related to spherical lenses:- principal focus
What is the name of the phenomenon in which the right side of an object appears to be the left side of the image in a plane mirror?
Name the two types of spherical mirrors. What type of mirror is represented by the:
front side of a shining steel spoon?
Write true or false
A virtual image formed by a spherical mirror is always erect and situated behind the mirror.
A ray of light travels from a denser medium to a rarer medium. How will it bend?
What do you mean by the term dispersion?
How is the focal length of a spherical mirror related to its radius
Draw separate diagram for the formation of virtual image of an object by a concave 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 number of images of an object placed between two mirrors, formed in each case when mirrors are inclined to each other at (a) 90°, and (b) 60°.
State whether the image in part (a) is real or virtual?
Name the kind of mirror used to obtain:
A virtual and enlarged image
How is the focal length of a spherical mirror related to its radius of curvature?
Upto what maximum distance from the pole the image in a convex mirror can be obtained? what will be the location of object then ?
The image formed by a convex mirror is of size one third the size of object. How are u and v related?
A straight stick partly dipped in water obliquely appears to be bent at the surface of the water.
Define the term Centre of curvature.
An object is placed at a distance of 0.25 m
in front of a plane mirror. The distance between the object and image will be ______.
If the real image of a candle flame formed by a lens is three times the size of the flame and the distance between lens and image is 80 cm, at what distance should the candle be placed from the lens?
