Advertisements
Advertisements
Question
Define the term Aperture.
Advertisements
Solution
Aperture is the distance between the extreme points on the periphery of the mirror.
APPEARS IN
RELATED QUESTIONS
Explain the following term related to spherical lenses:- optical centre
A ray of light is incident normally on a plane mirror. What will be the
angle of reflection?
Name the spherical mirror which has:
(a) virtual principal focus.
(b) real principal focus.
Name the two types of spherical mirrors. What type of mirror is represented by the:
front side of a shining steel spoon?
Draw separate diagram for the formation of virtual image of an object by a concave mirror.
The letters on the front of an ambulance are written laterally inverted like 
. Give reason.
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.
Complete the following diagrams shown in the following figures by drawing the reflected rays.
Name the type of mirror used in the following situation:
Solar furnace
Support your answer with reason.
A converging lens of focal length f is placed at a distance 0.3 m from an object to produce an image on a screen 0.9 m from the lens. With the object and the screen in the same positions, an image of the object could also be produced on the screen by placing a converging lens of focal length.
