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प्रश्न
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संबंधित प्रश्न
A simple microscope is used by watch repairers. Give reason.
A ray of light strikes a plane mirror at an angle of 40° to the mirror surface. What will be the angle of reflection?
State the direction of incident ray which after reflection from a spherical mirror gets reflected along its own path. Give a reason.
In each case (a) and (b), draw reflected rays for the given incident rays and mark focus by the symbol F.
Name the kind of mirror used to obtain:
A virtual and diminished image
What is meant by magnification? Write its expression. What is its sign for the (a) real (b) virtual, image?
The boxes in figure (a, b, c) represent mirrors; insert a mirror which will reflect the incident ray as shown in the diagram.
An object is placed in front of a concave mirror as shown in the following figure. By scale drawing, find the nature of the image. Given f = 10 cm, v = 30 cm.
