A beam of sunlight strikes a right triangle prism, as shown in the figure below. The incident angle of the beam on side BC of the prism is 60°. The blue light exits side AB parallel to the normal of side AB. Given that the refractive index for yellow in this type of glass is 3.5% higher than that of blue, calculate the angular deviation between the yellow light and the blue light exiting the prism.

• A. 1.1°
• B. 1.6°
• C. 2.1°
• D. 2.8°

Answer: (C)