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प्रश्न
List four specific characteristics of the images of the objects formed by convex mirrors.
उत्तर
Four specific characteristics of the images of the objects formed by convex mirrors are as follows:-
(i) The images formed are virtual and erect.
(ii) The images formed are always diminished.
(iii) The images are formed behind the mirrors between the poles and foci of the mirrors when the objects are placed anywhere between the poles and infinity.
(iv) The images are formed behind the mirrors at the foci of the mirrors when the objects are placed at infinity.
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संबंधित प्रश्न
If the image formed by a mirror for all positions of the object placed in front of it is always erect and diminished, what type of mirror is it? Draw a ray diagram to justify your answer. Where and why do we generally use this type of mirror?
Name the type of mirror used in the following situation:
Headlights of a car
Support your answer with reason.
Which kind of mirror is used in the headlights of a car? Why is it used for this purpose?
With the help of a ray diagram, determine the position, nature and size of the image formed of an object placed at the centre of curvature of a concave mirror.
Which mirror is used as a torch reflector? Draw a labelled diagram to show how a torch reflector can be used to produce a parallel beam of light. Where is the bulb placed in relation to the torch reflector?
Draw ray-diagrams to show the formation of images when the object is places in front of a concave mirror (converging mirror):
(i) between its pole and focus
(ii) between its centre of curvature and focus
A concave mirror produces a real image 1 cm tall of an object 2.5 mm tall placed 5 cm from the mirror. Find the position of the image and the focal length of the mirror.
At what distance from a concave mirror of focal length 10 cm should an object be placed so that:
its virtual image is formed 20 cm from the mirror?
An object at a distance of 30 cm from a
concave mirror gets its image at the same point. The focal length of the mirror is ______.
______ mirrors magnify the object placed close to them.
