Optics Question 662
Question: A thin lens made of glass of refractive index m = 1.5 has a focal length equal to 12 cm in air. It is now immersed in water
[UPSEAT 2002]
Options:
A) 48 cm
B) 36 cm
C) 24 cm
D) 12 cm
Show Answer
Answer:
Correct Answer: A
