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Question
A convex mirror is used
Options
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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Solution
A convex mirror is used as a rear view mirror by a driver.
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RELATED QUESTIONS
An object is placed at a distance of 40 cm in front of a convex mirror of radius of curvature 40 cm. List four characteristics of the image formed by the mirror.
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.
The magnification produced by a spherical mirror and a spherical lens is + 0.8.
(a) The mirror and lens are both convex
(b) The mirror and lens are both concave
(c) The mirror is concave but the lens is convex
(d) The mirror is convex but the lens is concave
Write true or false
At the point of incidence, a line drawn at right angles to the surface, separating the two media, is called the normal.
A ray of light passing through centre of curvature of a spherical mirror, after reflection
The image formed by a convex mirror is
State whether true or false. If false, correct the statement.
The convex mirror always produces a virtual, diminished and erect image of the object.
The image formed by these mirrors is ______ than the object.
The field of view is maximum for ______.
Match the following.
| Column I | Column II |
| Convex mirror | Radio telescopes |
| Parabolic mirror | Rear-view mirror |
| Snell’s law | Kaleidoscope |
| Dispersion of light | sin i/sin r =μ |
| Refractive index | Rainbow |
