A Monochromatic Beam of Light in Air Has a Wavelength

question 78

Multiple Choice

A monochromatic beam of light in air has a wavelength of 589 nm in air.It passes through glass (n = 1.52) and then through carbon disulfide (n = 1.63) .What is its wavelength in the carbon disulfide?

• A)361 nm
• B)387.5 nm
• C)895 nm
• D)960 nm

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