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प्रश्न
A convex mirror is used
पर्याय
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
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 mirror always produces a virtual, erect and diminished image of an object?
What type of mirror should be used as a shop security mirror?
Draw a labelled ray diagram to show the formation of image of an object by a convex mirror. Mark clearly the pole, focus and centre of curvature on the diagram.
A man standing in front of a special mirror finds his image having a very small head, a fat body and legs of normal size. What is the shape of:
(a) top part of the mirror?
(b) middle part of the mirror?
(c) bottom part of the mirror?
Give reasons for your choice.
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.
At the point of incidence, a line drawn at right angles to the surface, separating the two media, is called the normal.
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)
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.
Why a convex mirror is preferred for rearview mirrors in cars?
