Advertisements
Advertisements
प्रश्न
उत्तर
APPEARS IN
संबंधित प्रश्न
Define the following term in the context of spherical mirrors:- Pole
An image formed by a ______ mirror is always of the same size as that of the object.
Write true or false
A virtual image formed by a spherical mirror is always erect and situated behind the mirror.
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°.
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).
Select the correct option:
Looking into a mirror one finds her image diminished, the mirror is:
Define the term Normal.
If the real image of a candle flame formed by a lens is three times the size of the flame and the distance between lens and image is 80 cm, at what distance should the candle be placed from the lens?
Name the type of mirror used in the following situation:
Solar furnace
Support your answer with reason.