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JEE Main 22 Jan 2025 Sft-1Medium

Q.In the diagram given below, there are three lenses formed. Considering negligible thickness, the power of the combination is (with water and glass layers)

a
−16(1∣R1∣+1∣R2∣)-\frac{1}{6} \left( \frac{1}{|R_1|} + \frac{1}{|R_2|} \right)
b
−16(1∣R1∣−1∣R2∣)-\frac{1}{6} \left( \frac{1}{|R_1|} - \frac{1}{|R_2|} \right)
c
16(1∣R1∣+1∣R2∣)\frac{1}{6} \left( \frac{1}{|R_1|} + \frac{1}{|R_2|} \right)
d
16(1∣R1∣−1∣R2∣)\frac{1}{6} \left( \frac{1}{|R_1|} - \frac{1}{|R_2|} \right)

Correct Answer: Option B

The correct solution involves applying the fundamental concept to derive the final value step by step...

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