Question

light enters from air to glass speed of light in glass is 2 × 10 power 8 metre per second what is the refractive index of Glass? ( speed of the light in vacuum is 3 × 10 power 8 ms)​

Answer 1

Answer:

3/2

• Explanation:
• refractive index=speed of light in vaccum/speed of light in medium
• refractive index=speed of light in vaccum/speed of light in mediumgamma=c/v
• refractive index=speed of light in vaccum/speed of light in mediumgamma=c/v=3*10^8/2*10^8=3/2
• $\gamma = c \div v$