A light beam with wavelength 440 nm in a certain material then enters air and its wavelength becomes 577 nm.
(a) What is the index of refraction for the material?
(b) At what angle with the plane of the surface will the light be totally reflected back into the material?

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The Answer of A light beam with wavelength 440 nm in a certain material then enters air and its wavelength becomes 577 nm.
(a) What is the index of refraction for the material?
(b) At what angle with the plane of the surface will the light be totally reflected back into the material?

A Light Beam with Wavelength 440 Nm in a Certain