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प्रश्न
Define the following term in the context of spherical mirrors:- Principal axis
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उत्तर
Principal axis of a spherical mirror:-
The imaginary straight line joining the pole (P) and the centre of curvature (C) is termed as the principal axis.
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संबंधित प्रश्न
Explain the following term related to spherical lenses:- principal axis
Which type of mirror can form a real image?
Name the spherical mirror which has:
(a) virtual principal focus.
(b) real principal focus.
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
Does the mirror mentioned in part (b) form real image for all locations of the object?
A point light source is kept in front of a convex mirror at a distance of 40 cm. The focal length of the mirror is 40 cm. Find the position of image.
Define the following term in relation to concave mirror.
Focal length
Define the term Centre of curvature.
An object 10 cm high is placed at a distance of 20 cm in front of a spherical mirror of focal length 25 cm. By scale drawing find the nature, position, and magnification of the image in the following case:
Convex mirror
A student traces the path of a ray of light passing through a rectangular slab.
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For measuring the angle of incidence, he must position the protractor in the manner shown in the figure:
