Advertisements
Advertisements
प्रश्न
Explain the following term related to spherical lenses:- principal axis
उत्तर
Principal Axis:-
The principal axis of a lens is a line passing through the optical centre of the lens and perpendicular to both the faces of the lens.
APPEARS IN
संबंधित प्रश्न
Define the following term in the context of spherical mirrors:- Centre of curvature
Define the following term in the context of spherical mirrors:- Principal axis
Explain the following term related to spherical lenses:- centres of curvature
State the kind of mirror used
(a) by a dentist, and
(b) as a street light reflector.
Figure shows a concave mirror with its pole at P, focus F and centre of curvature C. Draw ray diagram to show the formation of image of an object OA.
What do you understand by the term real image?
Define linear magnification produced by a mirror?
AB is the object, A'B' is the image, and MM' is the position of the mirror. Complete the ray diagram showing the formation of the image and find the focal length of the mirror.
Complete the following diagrams shown in the following figures by drawing the reflected rays.
