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Refractive Index

Refractive in...

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Refractive index of diamond is 2.41 How does this indicate that light travels 2.41 times faster in vacuum or air than in diamond?

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Q. The refractive index of diamond is 2.4. If the velocity of light in air or vacuum is

3 \times 10^{8} m s^{- 1}

, then the velocity of light in diamond is .........

\times 10^{8} m s^{- 1}

.

Q. The RI of the diamond is 2.41. What is the speed of light in a diamond?

Q. The wavelength of light in vacuum is

5000 ˚ A

. When it travels normally through diamond of thickness

1.0 m m

find the number of waves of light in

1.0 m m

of diamond. (Refractive index of diamond

= 2.417

)

Q. Refractive index of diamond for light of wavelength 589 nm is 2.419. What is the velocity of light in diamond. Velocity of light in vacuum is

3 \times 10^{8}

Q. Whaita is the velocity of light in a diamond if the refractive index of diamond with respect to vacuum is

2.5

?

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