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प्रश्न
What is a spherical mirror?
उत्तर
A reflecting surface which is a part of a sphere is called a spherical mirror.
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संबंधित प्रश्न
Write true or false
A virtual image formed by a spherical mirror is always erect and situated behind the mirror.
Define the following terms in the context of spherical mirrors :
(i) Pole
(ii) Centre of curvature
(iii) Radius of curvature
(iv) Principal axis
Mention the types of mirrors used as (i) rear view mirrors, (ii) shaving mirrors. List two reasons to justify your answers in each case.
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.
What type of mirror can be used to obtain a real image of an object?
Define the following term in relation to concave mirror.
Pole
Find the height of the image of a body of height 1.5m in a mirror with a magnification of 1.5.
The spherical mirror used as a rear view mirror in the vehicle is
Numerical problem.
The radius of curvature of a spherical mirror is 25 cm. Find its focal length.
What is the focal length (f) of a mirror?
