A piece of glass with a refractive index of n=1.5 has its top surface inclined by an angle k  relative to its bottom surface, as shown. The horizontal length of the glass is L=2cm, and the thickness t of the thinner left side is not zero. The glass, which is surrounded by air, is illuminated from above with red light with a wavelength of 600nm in air. (a) What is k if there are bright constructive reflection peaks on the left edge and right edge of the piece of glass, and none in between? What are the 3 smallest possible thicknesses t for the thin left side of the glass for the conditions and answer for (a) : THE ANSWERS I HAVE BEEN GETTING HERE ARE NOT RIGHT

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A piece of glass with a refractive index of n=1.5 has its top surface inclined

by an angle k  relative to its bottom surface, as shown. The horizontal length of the glass is

L=2cm, and the thickness t of the thinner left side is not zero. The glass, which is

surrounded by air, is illuminated from above with red light with a wavelength of 600nm in

air.

(a) What is k if there are bright constructive reflection

peaks on the left edge and right edge of the piece of glass,

and none in between? What are the 3 smallest possible thicknesses t for the thin

left side of the glass for the conditions and answer for (a) : THE ANSWERS I HAVE BEEN GETTING HERE ARE NOT RIGHT.

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