Question

In: Physics

A certain ultraviolet light has a wavelength of 160nm in carbon di-sulfide (refractive index = 1.6).

A certain ultraviolet light has a wavelength of 160nm in carbon di-sulfide (refractive index = 1.6). The wavelength of the same light in diamond (refractive index = 2.4) will be

Group of answer choices

  • 83 nm.

  • 107 nm.

  • 160 nm.

  • 200 nm.

  • 240 nm.

Solutions

Expert Solution

Wavelength of light in carbon di-sulphide, λc = 160 nm

Wavelength of light in air, λ = n x λc =1.6 x 160 = 256 nm

Wavelength of light in diamond, λd = λ/nd = 256/2.4 = 106.7 = 107 nm

Wavelength of light in diamond, λd = 107 nm


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