A) 5 cm
B) 2 cm
C) 25 mm
D) 0.1 mm
Correct Answer: C
Solution :
m = \[1+\frac{D}{{{f}_{e}}}\] Þ \[10=1+\frac{25}{{{f}_{e}}}\] Þ \[{{f}_{e}}=\frac{25}{9}\tilde{}25\,mm\]
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