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Q.

Is it true that concave lenses are used in magnifying glass?


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a

True

b

False 

answer is B.

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Detailed Solution

The above statement is false.
A convex lens possesses at least one outward curved surface and is converging in nature. When an object is placed between the pole and the principal focus of the convex lens, the image formed is virtual, erect and magnified. Therefore it is used in a magnifying glass.
The correct statement is that convex lenses are used in magnifying glass.
 
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