A set of parallel rays are incident on the biconvex lens. If after two – InterviewSolution

1.	A set of parallel rays are incident on the biconvex lens. If after two refractions and one reflection, final image is formed at 15cm before the lens, then the value of x18 is ___ cm.
Answer» A set of parallel rays are incident on the biconvex lens. If after two refractions and one reflection, final image is formed at 15cm before the lens, then the value of $\frac{x}{18}$ is ___ cm.

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