A) Parallel to the principal axis
B) Convergent
C) Divergent
D) None of the above
Correct Answer: A
Solution :
[a] Power of system. \[\frac{1}{{{f}_{1}}}+\frac{1}{{{f}_{2}}}-\frac{d}{{{f}_{1}}{{f}_{2}}}=\frac{1}{1}+\frac{1}{-0.25}-\frac{0.75}{(1)(-0.25)}\] Since power of the system is zero, therefore the incident parallel beam of light will remain parallel after emerging from the system.
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