Optics Question 652
Question: A double convex thin lens made of glass of refractive index 1.6 has radii of curvature 15 cm each. The focal length of this lens when immersed in a liquid of refractive index 1.63 is
[UPSEAT 2000; Pb. PET 2004]
Options:
A) - 407 cm
B) 250 cm
C) 125 cm
D) 25 cm
Show Answer
Answer:
Correct Answer: A
