Q.

Is it true the concave lens forms virtual and erect images?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is True.
Concave lenses always create virtual and erect images because they always diverge the rays that fall on them, preventing them from meeting on the other side of the lens and never intersecting in reality. Since virtual images are always created instead of real ones, erect images are also created. Hence, they never intersect in real life. Correspondingly, a virtual image is always formed, not really as a result of an erect image.
 
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