Answer
a) $3.6X$
b) $13.7mm$
c) $6.9cm$
Work Step by Step
a) $M=\frac{N}{f}+1=\frac{25cm}{4.60cm}+1=3.6X$
b) $M=\frac{h_i}{h_o}$; $h_i=(3.6042)(3.80mm)=13.7mm$
c) $M=\frac{N}{d_o}$; $d_o=\frac{25cm}{3.6042}=6.9cm$
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