Advertisements
Advertisements
Question
Define the term Principle focus.
Advertisements
Solution
Principal focus of a spherical mirror is a point on the principal axis of the mirror, where all the rays travelling parallel to the principal axis and close to it after reflection from the mirror, converge to or appear to diverge from.
APPEARS IN
RELATED QUESTIONS
Which type of mirror can form a real image?
Define (a) centre of curvature (b) radius of curvature (c) pole (d) principal axis, and (e) aperture, of a spherical mirror with the help of a labelled diagram
Complete the following diagrams in Figure by drawing the reflected rays for the incident rays 1 and 2.
Does the mirror mentioned in part (b) form real image for all locations of the object?
Name the kind of mirror used to obtain:
A virtual and enlarged image
A straight stick partly dipped in water obliquely appears to be bent at the surface of the water.
In the following figure shows a concave mirror with its pole (P), focus (F) and centre of curvature (C). Draw a ray diagram to show the formation of the image of an object AB by the concave mirror.
The distance from the pole to the focus is called ______.
