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संबंधित प्रश्न
Why do we prefer a convex mirror as a rear-view mirror in vehicles?
If the image formed by a spherical 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 labelled ray diagram to support your answer.
Which type of mirror has:
positive focal length?
State the relation between object distance, image distance and focal length of a spherical mirror (concave mirror or convex mirror).
An object is placed at a long distance in front of a convex mirror of radius of curvature 30 cm. State the position of its image.
Give two uses of a convex mirror. Explain why you would choose convex mirror for these uses.
How will you distinguish between a plane mirror, a concave mirror and a convex mirror without touching them?
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
An object placed 20 cm in front of a mirror is found to have an image 15 cm (a) in front of it, (b) behind the mirror. Find the focal length of the mirror and the kind of mirror in each case.
The Convex mirror always forms ______ and ______ image.
