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प्रश्न
Name the spherical mirror which can produce a real and diminished image of an object.
उत्तर
Only a concave mirror can produce a real and diminished image of an object.
संबंधित प्रश्न
Define the following term in the context of spherical mirrors:- Centre of curvature
Define the following term in the context of spherical mirrors:- Principal focus
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
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°.
Discuss the position and nature of image formed by a concave mirror when an object is moved from infinity towards the pole of mirror.
Discuss the position and nature of image formed by a convex mirror when an object is moved from infinity towards the pole of mirror.
Name the kind of mirror used to obtain:
A virtual and enlarged image
Name the kind of mirror used to obtain:
A virtual and diminished image
State two uses of a concave mirror.
Draw a ray diagram in each of the following cases to show the formation of image, when the object is placed :
(i) between the optical centre and principal focus of a convex lens.
(ii) anywhere in front of a concave lens.
(iii) at 2F of a convex lens.
State the signs and values of magnifications in the above-mentioned cases (i) and (ii).
An object 5 cm high forms a virtual image of 1.25 cm high, when placed in front of a convex mirror at a distance of 24 cm. Calculate:
- the position of the image
- the focal length of the convex mirror.
Define the following term:
concave mirror
Define the following term in relation to concave mirror.
Principal axis
Define the term Aperture.
Which of the following has curved reflecting surface?
The radius of curvature of a spherical mirror is 18 cm. What is the focal length of this mirror?
