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IFPT913 02 Image Formation and Uses of Spherical Mirrors

12 MinsPhysics
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Image Formation by Spherical Mirror

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Important Questions

Find the size, nature and position of image formed when an object of size is placed at a distance of from a concave mirror of focal length ?

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An object is placed at (i) , (ii) in front of a concave mirror of radius of curvature . Find the position, nature and magnification of the image in each case.

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(a) Draw ray - diagrams to show the formation of images when the object is placed in front of a concave mirror (converging mirror):
(i) between its pole and focus 
(ii) between its centre of curvature and focus. Describe the nature, size and position of the image formed in each case.
(b) State one use of concave mirror based on the formation of images as in case (z) above. 

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You are provided with a concave mirror, a convex mirror, a Concave lens and a convex lens. To obtain an enlarged image of an object you can use either

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We wish to obtain an erect image of an object, using a concave mirror of focal length 15 cm. What should be the range of distance of the object from the mirror? What is the nature of the image? Is the image larger or smaller than the object? Draw a ray diagram to show the image formation in this case.

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State two differences between a convex and a concave lens.

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In torches, search lights and headlights of vehicles the bulb is placed:

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Which of the following can make a parallel beam of light when light from a point source is incident on it?

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A student wants to project the image of a candle flame on a screen in front of a mirror by keeping the candle flame at a distance of from its pole.
i) Which type of mirror should the student use?
ii) Find the magnification of the image produced.
iii) Find the distance between the object and its image.
iv) Draw a ray diagram to show the image formation in this case and mark the distance between the object and its image.

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The image formed by a concave mirror is observed to be virtual, erect and larger than the object. Where should be the position of the object?

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