Snell's Law: The index of refraction of a type of glass is 1.50, and the index of refraction of water is 1.33. If light enters water from this glass, the angle of refraction will be
A. greater than the angle of incidence.
B. equal to the angle of incidence.
C. less than the angle of incidence.
Answer: A
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The function of polarizing filters in viewing 3-D slides or movies is to provide each eye
A) the ability to see parallax. B) a balanced intensity. C) an independent left or right-eye view. D) a stereoscopic view. E) with light polarized at right angles to each other.
Mercury's surface, upon casual visual observation, most resembles what other surface in our solar system?
What will be an ideal response?
Arvin the Ant travels 30 cm eastward, then 25 cm northward, and finally 10 cm westward. In what direction is Arvin now in with respect to his starting point?
a. 59° N of E b. 29° N of E c. 29° N of W d. 51° N of E
A cylinder containing an ideal gas has a volume of 2.6 m3 and a pressure of 1.5 × 10^5 Pa at a temperature of 300 K. The cylinder is placed against a metal block that is maintained at 900 K and the gas expands as the pressure remains constant until the temperature of the gas reaches 900 K. The change in internal energy of the gas is +6.0 × 10^5 J. How much heat did the gas absorb?
a. 0 b. 3.4E+5 J c. 6.0E+5 J d. 1.4E+6 J e. 7.8E+5 J