A Light Ray in Air Strikes a Glass Surface with an Angle

question 52

Multiple Choice

A light ray in air strikes a glass surface with an angle of incidence of 30.0°. The angle of refraction in the glass is 20.0°. What is the index of refraction of the glass?

• A) 1.67
• B) 1.55
• C) 1.52
• D) 1.46
• E) 1.24

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Definitions:

Pulmonary Arteries

Blood vessels that carry blood from the heart to the lungs for oxygenation.

Left Atrium

One of the four chambers of the heart, receiving oxygenated blood from the lungs and pumping it into the left ventricle.

Deoxygenated Blood

Blood that has released its oxygen to the body's cells and is returning to the heart to be sent to the lungs for oxygenation.

Umbilical Artery

One of two arteries that carry deoxygenated blood from a fetus to the placenta in the umbilical cord.