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प्रश्न
Which type of mirror is used in the following?
Street lights
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उत्तर
Convex mirror
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संबंधित प्रश्न
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.
Draw diagram to show the action of convex mirror on a beam of parallel light rays. Mark on this diagram principal axis, focus F, centre of curvature C, pole P and focal length f, of the convex mirror.
What is the nature of a mirror having a focal length of, +10 cm?
Which type or mirror is usually used as a rear-view mirror in motor cars?
Fill in the following blank with a suitable word:
A ray of light which is parallel to the principal axis of a convex mirror, appears to be coming from ............ after reflection from the mirror.
What would your image look like if you stood close to a large:
convex mirror?
If a driver has one convex and one plane rear-view mirror, how would the images in each mirror appear different?
An object is placed at a distance of 6 cm from a convex mirror of focal length 12 cm. Find the position and nature of the image.
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.
A shop security mirror 5.0 m from certain items displayed in the shop produces on-tenth magnification.
What is the type of mirror?
Name two factors on which the focal length of a lens depends.
What is the effect on the size and position of the image of moving the object (i) towards the lens, and (ii) away from the lens?
A .............. mirror is obtained on silvering the outer surface of a part of a hollow glass sphere.
State two uses of a convex mirror.
List four properties of the image formed by a convex mirror when object is placed between focus and pole of the mirror.
The nature of image formed by a convex mirror when the object distance from the mirror is less than the distance between pole and focal point (F) of the mirror would be ______.
The distance between an object and a convex lens is changing. It is noticed that the size of the image formed on a screen is decreasing. Is the object moving in a direction towards the lens or away from it?
A convex rearview mirror is preferred over a plane mirror in a car. Why?
As you move an object always from a convex mirror, its image becomes ______
and moves towards ______.
If the object is at infinity in front of a convex mirror the image is formed at infinity.
