Question

f a convex lens made of glass is immersed in water with high refractive index compared to glass,

then the speed of light ray in water

(a) is more in convex lens
(b) is less in convex lens

(c) is same as in lens
(d) is twice that of in lens​

Answer 1

Explanation:

speed of light is more when entered into rarer medium.

thus option a.