If the speed of light in a medium is 1-5- 108 m-s- What is the absolute refractive index of the medium-

We know,n= cv = 3×10^81.5×10^8 =2so the absolute refractive index of the medium is 2 ...

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Standard X

Physics

Refractive Index

If the speed ...

Question

If the speed of light in a medium is $1.5 \times 10^{8} m / s$ , What is the absolute refractive index of the medium?

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Solution

we know,
n= $\frac{c}{v}$
= $\frac{3 \times 10^{8}}{1.5 \times 10^{8}}$ =2
so the absolute refractive index of the medium is 2

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Similar questions

State the laws of refraction of light. If the speed of light in vacuum is $3 \times 10^{8} m s^{- 1}$ , find the speed of light in a medium of absolute refractive index 1.5

Solve:

(1) The speed of light in a transparent medium is 2.4 × 10⁸ m/s. Calculate absolute refractive index of the medium.

(2) The speed of light in water and glass is 2.2 × 10⁸ m/s and 2 × 10⁸ m/s, respectively. What is the refractive index of −

(a) water w.r.t. glass

(b) glass w.r.t. water.

(3) Refractive index of water is 4/3 and speed of light in air is 3×10⁸ m/s. Find speed of light in water.

Q. A ray of light enters from air to a medium

X

. The speed of light in the medium is

1.5 \times 10^{8} m / s

and the speed of light in air is

3 \times 10^{8} m / s

. Find the Refractive index of the medium

X

Q. The velocity of light in a medium is

1.5 \times 10^{8} m / s

. What is the refractive index of the medium with respect to air, if the velocity in air is

3 \times 10^{8} m / s

Q. Solve the following examples.
a. If the speed of light in a medium is 1.5 × 10⁸ m/s, what is the absolute refractive index of the medium?
b. If the absolute refractive indices of glass and water are 3/2 and 4/3 respectively, what is the refractive index of glass with respect to water?

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If the speed of light in a medium is 1.5×108 m/s, What is the absolute refractive index of the medium?

we know,n=cv=3×1081.5×108=2so the absolute refractive index of the medium is 2

If the speed of light in a medium is $1.5 \times 10^{8} m / s$ , What is the absolute refractive index of the medium?

we know,
n= $\frac{c}{v}$
= $\frac{3 \times 10^{8}}{1.5 \times 10^{8}}$ =2
so the absolute refractive index of the medium is 2