# physics

The refractive indices of materials A and B have a ratio of nA/nB = 1.38. The speed of light in material A is 1.25 108 m/s. What is the speed of light in material B?

1. 👍
2. 👎
3. 👁
1. I bet the speed of light in B is faster by a factor of 1.38.

Isn't index of refraction inversely related to speed of light in the medium

1. 👍
2. 👎
👤
bobpursley

## Similar Questions

1. ### physics

Two small metal spheres of densities in the ratio 3:2 and diameters in the ratio 1:2 are released from rest in two vertical liquid columns of coeff. of viscosities in the ratio 4:3. When the viscous force on both of them is same,

2. ### Math

Two triangles are similar, and the ratio of each pair of corresponding sides is 2 : 1. Which statement regarding the two triangles is not true? 1) Their areas have a ratio of 4 : 1. 2) Their altitudes have a ratio of 2 : 1. 3)

3. ### Solar Energy Help ASAP

Let's assume that solar light reaches a silicon solar cell with an angle of incidence of θi=0o. For simplicity, let's consider the refractive index of silicon to be nSi=3.5. The refractive index of air is nair=1. What percentage

4. ### physics

A telescope has an objective with a refractive power of 1.20 diopters and an eyepiece with a refractive power of 220 diopters. What is the angular magnification of the telescope?

1. ### Biology

Which of the following is a NOT function of a vacuole? packing of materials transport of materials storage of materials breakdown of materials I'm confused. I know that vacuoles store materials, in other words, C is not correct

2. ### physics

The drawing shows a ray of light traveling through three materials whose surfaces are parallel to each other. The refracted rays (but not the reflected rays) are shown as the light passes through each material. A ray of light

3. ### Solar

We have discussed that indirect band gap materials have a lower absorption coefficient than direct band gap materials, due to the fact that the charge carriers need a change in energy AND momentum in order to be excited. If both

4. ### Physicis

What is critical angle of refractive index is 1.5

1. ### Social Studies (History)

What were the materials to construct the transcontinental railroad? I already knew the railroad was mostly constructed by hand by thousands of workers, but i need help to find out what kind of materials they used to build and

2. ### physics

Light of certain wavelength in a vacuum has wavelength of 438 nm if it propagates in water and 390 nm if it propagates in benzene. Calculate the ratio of refractive index of water to the refractive index of benzene.