Advertisements
Advertisements
Question
Select the correct option:
Looking into a mirror one finds her image diminished, the mirror is:
Options
concave
convex
cylindrical
parabolic
Advertisements
Solution
convex
APPEARS IN
RELATED QUESTIONS
Explain the following term related to spherical lenses:- principal focus
An image that cannot be obtained on a screen is called ______.
How is the focal length of a spherical mirror related to its radius
Define the terms pole, principal axis and centre of curvature with reference to a spherical mirror.
(a) When a concave mirror is used as a shaving mirror, where is the person's face in relation to the focus of mirror?
(b) State three characteristics of the image seen in part (a).
A concave mirror forms a virtual image of size twice that of the object placed at a distance 5 cm from it.
Find : (a) the focal length of the mirror (b) position of image
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).
The following figure shows a concave mirror with its pole (P), focus (F), and center of curvature (C). Draw a ray diagram to show the formation of the image of an object AB by the concave mirror.
For a spherical mirror, ______ is true.
