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Q.

 State whether the following statement is true or false:


A concave lens is used as a magnifying glass.


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a

True

b

False 

answer is B.

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Detailed Solution

The given statement is false.
Concept: Magnifying glass - magnify and enlarge the image of the object .
Concave lens - images formed by concave lenses are virtual and diminished or small images formed.
So it is false to say a concave lens is used as a magnifying glass.
The correct statement would be, a convex lens is used in magnifying glass.
Hence, the given statement is false.
 
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