The focal length of a glass lens in air is 10 cm. Its focal length in water will be (μg = 1.5 and μw = 1.33) The focal length of a glass lens in air is 10 cm. Its focal length in water will be (μg = 1.5 and μw = 1.33) November 17, 2020 Category: Cengage NEET by C.P Singh , Chapter 18 - Refraction at Spherical Surfaces , Part 2 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related