Directions to Solve Rearrange the following five sentences in proper sequence to form a meaningful paragraph, then answer the questions given below.
A 1
B 3
C 2
D 5
E 4
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A +
B =
C <<
D >>
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A
is negative if it is a concave lens
B
is reciprocal of its focal length
C
is measured in diopter.
D
is positive if it is a convex lens
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A - 4
B - 2
C 4
D 2
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