A monochromatic light source emits a wavelength of 490 nm in air.When passing through a liquid,the wavelength reduces to 429 nm.What is the liquid's index of refraction?
A)1.26
B)1.49
C)1.14
D)1.33

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The Answer of A monochromatic light source emits a wavelength of 490 nm in air.When passing through a liquid,the wavelength reduces to 429 nm.What is the liquid's index of refraction?
A)1.26
B)1.49
C)1.14
D)1.33

A Monochromatic Light Source Emits a Wavelength of 490 Nm