Test: MCAT Physical

An incandescent light bulb is shown through a glass prism. The certain wavlength of the light is then directed into a glass cuvette containing an unknown concentration of protein. Commonly, this process is called spectroscopy and is used to determine the concentrations of DNA, RNA, and proteins in solutions. The indices of reflection of air, glass, and the solution are 1, 1.5, and 1.3, respectively.

1.

If the solution had a higher protein concentration than expected, how would the angle of refraction change as light travels from the glass into the solution?

It would be larger or smaller, depending on the color of the light

It would be smaller

It would remain the same

It would be larger

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