What is nature of image formed if a conc...

What is nature of image formed if a concave lens is used instead of a convex lens?

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Write the uses of convex lens

Write the uses of concave lens

Optical centre of convex lens:

Principal focus of concave lens:

A comvex lens and a concave lens are placed in contact. The ratio of magnitude of the power of the convex lens to that of the concave lens is 4:3. If the focal length of the convex lens is 12 cm, then the focal length of the combination will be

Answer the following questions : What is the sign of the power of a convex lens a concave lens ?

Answer the following questions : In the case of image formation by a concave lens, what you can say about the position , nature and size of the image relative to the size of the object ?

A concave lens is a converging lens.

If the object is placed at A and the image is formed at B when the rays are refracted through a convex lens. The position. Of A and B are changeable. Such pair of is called.

Principal focus of convex lens:

CHETANA PUBLICATION-LENSES-Exercise

Ankit developed an eye defect at the age of 65 yrs and had to wear a l...
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What changes in the position of the candle should be made to obtain a ...
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What is nature of image formed if a concave lens is used instead of a ...
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State any one point of difference between a real and virtual image.
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Label A and B in the diagram.
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Explain the functions of A.
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Name the two lenses A and B
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Farsightedness can be corrected by using lens. A. Convex B. concave ...
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The perception of dim light is concerned with cells. A. rod B. cone ...
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Find the odd word out: Long-sightedness, myopia, short sightedness, ne...
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Object at 2F1: image at 2F2:: object at F1:.
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State whether the following statement are 'True' of False". If false w...
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An object is placed at a distance of 15 cm from a convex lens.If the f...
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Give scientific reasons: We cannot clearly see an object kept at a...
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Distinguish between : Farsightedness and Nearsightedness
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Draw a neat and labelled diagram of human eye.
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5 cm high object is placed at a distance of 25 cm from a converging l...
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Draw a neat and labelled diagram of Following: When object is beyond...
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Draw a neat and labelled diagram of of Following: When object is at...
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Explain the following with the help of a diagram: Explain the worki...
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