Orbital Angular Momentum: An atom has completely filled inner shells and a single valence electron in an excited p state. The filled inner shells have an orbital momentum equal to zero. What is the magnitude of the orbital angular momentum of the atom?
A. 1.0 
B. 1.2 
C. 1.4 
D. 1.7 
E. 2.0 
Answer: C
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Which of the following is not caused by the Coriolis effect on Earth?
A) Water going down a drain swirls in opposite directions in the Northern and Southern hemispheres. B) Earth's global circulation cells are split into three separate cells in each hemisphere. C) Hurricanes swirl in opposite directions in the Northern and Southern hemispheres. D) Air or objects moving northward in the Northern Hemisphere are deflected to the east.
A skydiver steps from a helicopter and falls for a few seconds until terminal velocity is reached. Thereafter, until he opens his parachute, his acceleration
A) is constant. B) increases. C) decreases. D) is zero. E) none of the above
When light is either reflected or refracted, the quantity that does not change in either process is its
a. direction of travel. b. dispersion. c. frequency. d. speed. e. wavelength.
What is the Trapezium?
A. Four massive stars at the heart of the Orion Nebula B. Three massive stars on the outskirts of the Orion Nebula C. A few hot stars whose ultraviolet light is affecting the formation of other stars D. Both A and C E. Both B and C