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.

The prism is designed to select for the color of visible light that has the longest wavelength. What color is this, and what are the expected wavelength ranges?

Orange; 600nm

Red; 700nm

Blue; 600nm

Green; 500nm

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