Question

Statement­ 1: A convex lens of focal length f = 1.5 μ behaves as a diverging lens when immersed in carbon disulphied of higher refractive index μ = 1.65 . 

Statement ­2: the focal length of a lens does not depend on the color of light used.

(a) Statement ­ I is true, Statement ­ II is True; Statement ­ II is a correct explanation for Statement ­ I.

(b)  Statement ­ I is true, Statement ­ II is True; Statement ­ II is NOT a correct explanation for Statement ­ I.

(c) Statement ­ I is true, Statement ­ II is False

(d)  Statement ­ I is false, Statement ­ II is True

Answer 1

(b) Statement ­ I is true, Statement ­ II is True; Statement ­ II is NOT a correct explanation for Statement ­ I.