Advertisements
Advertisements
प्रश्न
A ray of light is incident on a plane mirror at an angle of 30°. What is the angle of reflection
Advertisements
उत्तर
The angle of reflection is 30⁰ as the angle of incidence is equal to the angle of reflection, in accordance with the first law of reflection.
APPEARS IN
संबंधित प्रश्न
Define the following term in the context of spherical mirrors:- Pole
Define the following term in the context of spherical mirrors:- Principal focus
Which type of mirror can form a real image?
Name the spherical mirror which has:
(a) virtual principal focus.
(b) real principal focus.
What do you understand by the focus and focal length of a spherical mirror? Show them on the separate diagrams for each of a concave mirror and a convex mirror.
Draw separate diagram for the formation of virtual image of an object by a concave mirror.
Name the kind of mirror used to obtain
(a) a real and enlarged image
(b) a virtual and enlarged image
(c) a real and diminished image, and
(d) a virtual and diminished image.
Define the following terms in the context of spherical mirrors :
(i) Pole
(ii) Centre of curvature
(iii) Radius of curvature
(iv) Principal axis
A student obtained a sharp image of a burning candle, placed at the farther end of a laboratory table, on a screen using a concave mirror. For getting better value of focal length of the mirror, the subject teacher suggested him for focusing a well illuminated distant object. What should the student do?
(A) He should move the mirror away from the screen.
(B) He should move the mirror slightly towards the screen.
(C) He should move the mirror as well as the screen towards the newly selected object.
(D) He should move only the screen towards the newly selected object.
Name the two kinds of spherical mirrors and distinguish between them.
For what position of object, the image formed by a concave mirror is magnified and erect?
How is the focal length of a spherical mirror related to its radius of curvature?
Upto what maximum distance from a concave mirror, the image can be obtained? What will be the location of object for it?
Define the following term:
spherical mirror
Define the following term in relation to concave mirror.
Pole
Define the term Focus of a concave mirror.
Which of the following has curved reflecting surface?
Geometric centre of the spherical mirror is ______.
