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प्रश्न
The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror:
Which type of spherical mirror will it provide?
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उत्तर
Since the outer surface is shiny, it will form a convex mirror.
संबंधित प्रश्न
Explain the following term related to spherical lenses:- principal axis
Give one use each of a concave and a convex mirror.
A virtual image larger than the object can be produced by a ______.
What happens when a ray of light falls normally (or perpendiculary) on the surface of a plane mirror?
Complete the following sentence:
All the distances are measured from the .......... of a spherical mirror.
A lens forms a real image 3 cm high of an object 1 cm high. If the separation of object and image is 15 cm, find the focal length of the lens.
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(a) a magnifying glass
(b) a car to see objects on rear side
(c) spectacles for the correction of short sight
(d) a simple camera
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Name the two kinds of spherical mirrors and distinguish between them.
Figure shows a concave mirror with its pole at P, focus F and centre of curvature C. Draw ray diagram to show the formation of image of an object OA.

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Draw a ray diagram to show the formation of the image, when the object is placed between optical centre and principal focus of a convex lens.
State the signs and values of magnifications in the above mentioned case.
The spherical mirror used as a rear view mirror in the vehicle is
A shopkeeper wanted to fix a mirror which will give a maximum view of his shop. What type of mirror should he use? Give reason.
What is the difference between virtual images of an object formed by a concave mirror and a convex mirror?
The image formed in a plane mirror is always inverted.
Define the radius of curvature.
