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प्रश्न
The mirror used by the ophthalmologist to examine the eye is _______.
उत्तर
The mirror used by the ophthalmologist to examine the eye is Concave mirror.
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संबंधित प्रश्न
It is desired to obtain an erect image of an object, using concave mirror of focal length of 12 cm.
Will the image be smaller or larger than the object? Draw ray diagram to show the formation of image in this case.
An object 4 cm in height, is placed at 15 cm in front of a concave mirror of focal length 10 cm. At what distance from the mirror should a screen be placed to obtain a sharp image of the object. Calculate the height of the image.
Make labelled ray diagrams to illustrate the formation of:
a real image by a converging mirror.
One of the following does not apply to a concave mirror this is:
(a) focal length is negative
(b) image distance can be positive or negative
(c) image distance is always positive
(d) height of image can be positive or negative
If a concave mirror has a focal length of 10 cm, find the two positions where an object can be placed to give, in each case, an image twice the height of the object.
Why does a beam of light when it enters glass at an angle? Why does it not bend if it inters the glass at right angles?
Name the mirror(s) that can give (i) an erect and enlarged image, (ii) same sized, inverted image
Rays from Sun converge at a point 15 cm in front of a concave mirror. Where should an object be placed so that size of its image is equal to the size of the object?
In the headlights of motor vehicles, ______ mirrors are used as reflectors.
______ mirrors make things look larger when objects are placed close to them.
