A) 1.75
B) 1.50
C) 1.25
D) 1.00
Correct Answer: A
Solution :
[a] Using relation, \[{{y}_{0}}=\frac{D}{d}(\mu -1)t\] We have, \[\frac{z}{\frac{3}{2}z}=\frac{(1.5-1)}{(\mu -1)}\Rightarrow \frac{2}{3}=\frac{1}{2(\mu -1)}\] \[\frac{1}{\mu -1}=\frac{4}{3}\Rightarrow \mu -1=\frac{3}{4}\] \[\mu =\frac{7}{4}=1.75\]
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