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a) when a convex lens of focal lenght f is cut latitudinally.......... thenn focal lenth of each part is..... b)when a convex lens of focal lenght f is cut longitudinally..............thenn focal lenth of each part is..... PLS EXPLAIN WHY????

a) when a convex lens of focal lenght f is cut latitudinally.......... thenn focal lenth of each part is.....


b)when a convex lens of focal lenght f is cut longitudinally..............thenn focal lenth of each part is.....


PLS EXPLAIN WHY????


 

Grade:9

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