CBSE Class 10 Answered
pls solve
Asked by | 09 Jun, 2009, 02:05: PM
Expert Answer
n12 = v1 / v2
n21 = v2 / v1
n12 x n21 = v1 x v2 / v2 x v1 = 1
n12 = 1 / n21
Answered by | 09 Jun, 2009, 04:34: PM
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