Advertisements
Advertisements
प्रश्न
How is the focal length of a spherical mirror related to its radius of curvature?
Advertisements
उत्तर
Focal length is half the radius of curvature of a spherical mirror.
f = `"R"/2`
APPEARS IN
संबंधित प्रश्न
Explain the following term related to spherical lenses:- principal focus
A ray of light is incident on a plane mirror at an angle of 30°. What is the angle of reflection
A ray of light is incident normally on a plane mirror. What will be the
angle of reflection?
Define the terms pole, principal axis and centre of curvature with reference to a spherical mirror.
Does the mirror mentioned in part (b) form real image for all locations of the object?
In normal adjustment, for a refracting telescope, the distance between objective and eye piece is 30 cm. The focal length of the objective, when the angular magnification of the telescope is 2, will be ______.
