Yesh find out F1 and F2 of symmetric convex lens experimentally then which
conclusion is true.
a) 1 = 2 ` b) 1 > 2 c) 1 < 2 d) 1 ≠
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conclusion is true.
a) 1 = 2 ` b) 1 > 2 c) 1 < 2 d) 1 ≠