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प्रश्न
A convex mirror is used
विकल्प
as a shaving mirror
as a head mirror by a dentist
as a rear view mirror by a driver
as a reflector in torch
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उत्तर
A convex mirror is used as a rear view mirror by a driver.
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संबंधित प्रश्न
Define the radius of curvature of spherical mirrors.
What is meant by the principal focus of a convex mirror?
What is the nature of a mirror having a focal length of, +10 cm?
A boy is standing in front of and close to a special mirror. He finds the image of his head bigger than normal, the middle part of his body of the same size, and his legs smaller than normal. The special mirror is made up of three types of mirrors in the following order from top downwards:
(a) Convex, Plane, Concave
(b) Plane, Convex, Concave
(c) Concave, Plane, Convex
(d) Convex, Concave, Plane
An object is placed well outside the principal focus of a convex lens. Draw a ray diagram to show how the image is formed, and say whether the image is real or virtual.
List four properties of the image formed by a convex mirror when object is placed between focus and pole of the mirror.
When the reflecting surface is curved outwards the mirror formed will be ______.
Numerical problem.
A concave mirror produces three times magnified real image of an object placed at 7 cm in front of it. Where is the image located? (Ans: 21 cm in front of the mirror)
Assertion: Convex mirrors are used as a rearview mirror in vehicles for observing traffic at our back.
Reason: A convex mirror has a much larger field of view.
Assertion: A real image cannot be produced by plane or convex mirror.
Reason: The focal length of a convex mirror is always taken as positive.
