A. Convex lens
B. Concave lens
C. Curved lens
D. None of These
Submitted by: Salman Bajwa
A. Convex lens
B. Concave lens
C. Curved lens
D. None of These
Submitted by: Salman Bajwa
A. Asia
B. Africa
C. Europe
D. None of These
Submitted by: Salman Bajwa
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