Ray Optics and Optical Instruments Part 2

Section: Physics

Question : 22 of 100

Marks: +1, -0

A biconvex lens of refractive index 1.5 has a focal length of 20‌cm in air. Its focal length when immersed in a liquid of refractive index 1.6 will be:

[29-Jan-2024 Shift 1]

−16‌cm
−160‌cm
+160‌cm
+16‌cm

Validate

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