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प्रश्न
A .............. mirror is obtained on silvering the outer surface of a part of a hollow glass sphere.
उत्तर
A concave mirror is obtained on silvering the outer surface of a part of a hollow glass sphere.
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संबंधित प्रश्न
Which mirror has a wider field of view?
Two big mirrors A and B are fitted side by side on a wall. A man is standing at such a distance from the wall that he can see the erect image of his face in both the mirrors. When the man starts walking towards the mirrors, he find that the size of his face in mirror A goes on increasing but that in mirror B remains the same.
(a) mirror A is concave and mirror B is convex
(b) mirror A is plane and mirror B is concave
(c) mirror A is concave and mirror B is plane
(d) mirror A is convex and mirror B is concave
Draw the given diagram in your answer book and complete it for the path of a ray of light after passing through the lens.
The angle formed between the normal and the refracted ray is known as the angle of incidence.
Write true or false
The focal length of a convex mirror is equal to its radius of curvature.
A ............ mirror always forms a virtual image.
Why are the mirrors fitted on the outside of cars convex?
The mirror used as rear-view mirror in vehicles ______.
Identify the device used as a spherical mirror or lens in following case, when the image formed is virtual and erect in case.
Object is placed between infinity and device, image formed is diminished and between pole and focus, behind it.
The image formed by a convex mirror is always ______.
