Advertisements
Advertisements
Question
Draw a ray diagram to show that a convex mirror has a wider field of view.
Advertisements
Solution
In the case of a convex mirror, all rays incident parallel to the principal axis appears to diverge from a Focal point. So it has a wider field of view as it converges all rays to a single point.

APPEARS IN
RELATED QUESTIONS
A simple microscope is used by watch repairers. Give reason.
The letter F is placed in front of a plane mirror:
What is the name of the phenomenon involved?
State the direction of incident ray which after reflection from a spherical mirror gets reflected along its own path. Give a reason.
Name the mirrors shown in Figure (a) and (b).

Choose the correct alternative and rewrite the following:
Mirror used by a dental surgeon is ..........................
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).
What do you understand by the term real image?
Size of image of an object by a mirror having a focal length of 20 cm is observed to be reduced to 1/3rd of its size. At what distance the object has been placed from the mirror? What is the nature of the image and the mirror?
In the figure shown, the image of a real object is formed at the point I. AB is the principal axis of the mirror. The mirror must be:

