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संबंधित प्रश्न
A simple microscope is used by watch repairers. Give reason.
Write the formula for a lens connecting image distance (v), object distance (u) and the focal length (f). How does the lens formula differ from the mirror formula?
Draw separate diagram for the formation of virtual image of an object by a concave mirror.
State the kind of mirror used
(a) by a dentist, and
(b) as a street light reflector.
Upto what maximum distance from the pole the image in a convex mirror can be obtained? what will be the location of object then ?
Select the correct option:
A concave mirror is made by cutting a portion of a hollow glass sphere of radius 30 cm. The focal length of the concave mirror is:
The following Figure shows a concave mirror MM' on which a ray of light incident from a point P gets reflected to meet the principle axis at O.
(a) Find, by construction, the position of the centre of curvature of the concave mirror.
(b) Write down the value for the radius of curvature of the mirror.
(c) Calculate the focal length of the mirror.
(d ) Which relation is used in deducing the focal length from the radius of curvature?
The spherical mirror with a reflecting surface curved inward is called
Define the radius of curvature.
