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प्रश्न
Draw the following diagram in your answer book and show the formation of image with the help of suitable rays:
उत्तर
Using the following rules for image formation:
- A ray of light that is parallel to the principal axis of a concave mirror passes through its focus after reflection, and
- A ray of light passing through the focus of a concave mirror becomes parallel to the principal axis after reflection,
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संबंधित प्रश्न
Consider the following diagram in which M is a mirror and P is an object and Q is its magnified image formed by the mirror.
State the type of the mirror M and one characteristic property of the image Q.
Draw diagram to represent the action of a concave mirror on a beam of parallel light rays. Mark on this diagram principal axis, focus F, centre of curvature C, pole P and focal length f, of the concave mirror.
Draw a ray diagram showing how a concave mirror can be used to produce a real, inverted and diminished image of an object.
At what distance from a concave mirror of focal length 10 cm should an object be placed so that:
its real image is formed 20 cm from the mirror?
The mirror which can form a magnified image of an object is:
(a) convex mirror
(b) plane mirror
(c) concave mirror
(d) both convex and concave mirror
To find the focal length of a concave mirror Rahul focuses a distant object with this mirror. The chosen object should be
(1) a tree
(2) a building
(3) a window
(4) the sun
Explain the images formed by a concave mirror.
Under which of the following conditions a concave mirror can form an image larger than the actual object?
______ mirrors make things look larger when objects are placed close to them.
Between which two points of a concave mirror should an object be placed to obtain a magnification of -2?
