Advertisements
Advertisements
Question
Explain the following term related to spherical lenses:- aperture
Advertisements
Solution
Aperture:-
The diameter of sphere of part of which a lens is formed is called the aperture.
RELATED QUESTIONS
A ray of light strikes a plane mirror at an angle of 40° to the mirror surface. What will be the angle of reflection?
Write true or false
A virtual image formed by a spherical mirror is always erect and situated behind the mirror.
What is a spherical mirror?
Draw suitable diagrams to illustrate the action of (i) concave mirror and (ii) convex mirror on a beam of light incident parallel to the principal axis.
Name the kind of mirror used to obtain:
A virtual and diminished image
A straight stick partly dipped in water obliquely appears to be bent at the surface of the water.
Select the correct option:
A mirror forms a virtual image (diminished) of an object, whatever be the position of object:
Define the term Focus of a concave mirror.
What is the difference between virtual images of an object formed by a concave mirror and a convex mirror?
