If the velocity of light in vacuum is 3×10^8 ms^−1 , the time taken (in nanosecond) to travel through a glass plate of thickness 10 cm and refractive index 1.5 is : If the velocity of light in vacuum is 3×10^8 ms^−1 the time taken (in nanosecond) to travel through a glass plate of thickness 10 cm and refractive index 1.5 is : November 8, 2020 Category: Chapter 9 - Ray Optics , MTG NEET Physics , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related