9 ALLE A symmetrical double convex lens is cut in two 3 equal parts by a plane containing the principal axis If the power of the

Question

9 ALLE A symmetrical double convex lens is cut in two 3 equal parts by a plane containing the principal axis If the power of the original lens was 4D the power of a divided lens will be NCERT XII II 329 1 2 D 2 3D 3 4 D

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