Find the speed of light in each of the following materials. (a) gallium phosphide m/s (b) carbon disulfide m/s (c) benzene

Explanation:

We need to calculate the speed of light in each materials

(I). Gallium phosphide,

The index of refraction of Gallium phosphide is 3.50

Using formula of speed of light

....(I)

Where, = index of refraction

c = speed of light

Put the value into the formula

(II) Carbon disulfide,

The index of refraction of Gallium phosphide is 1.63

Put the value in the equation (I)

(III). Benzene,

The index of refraction of Gallium phosphide is 1.50

Put the value in the equation (I)

Hence, This is the required solution.

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explanation: