1.

Time lag is given by the formula

A. x/2 [1/ (α π n)^½].
B. x/3 [1/ (α π n)^½].
C. x/4 [1/ (α π n)^½].
D. x/5 [1/ (α π n)^½].
Answer» B. x/3 [1/ (α π n)^½].


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