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
A student used a device (X) to obtain/focus the image of a well illuminated distant building on a screen (S) as shown below in the diagram. Select the correct statement about the device (X).

Explain the following term related to spherical lenses:- principal focus
What is the relation between the focal length and radius of curvature of a spherical mirror (concave mirror or convex mirror)?
Name the spherical mirror which can produce a virtual and diminished image of an object.
If a spherical mirror breaks, what type of mirrors are the individual pieces?
Define the terms focus and focal length of a concave mirror. Draw diagram to illustrate your answer.
The radius of curvature of a convex mirror is 40 cm. Find its focal length.
The magnification for a mirror is -3. How are u and v related?
A spherical mirror whose reflecting surface is curved outwards is called ______ mirror.
