The air temperature on a summer day might be about:
A. 0? C
B. 10? C
C. 25? C
D. 80? C
E. 125? C
Answer; C. 25? C
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When the brain retains an image of what you were viewing
A. Astigmatism |
B. Eye Dominance |
C. Focus |
D. Blind Spot |
E. Color Blindness |
F. Afterimages |
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 
Which of the following are quanta?
A) photons B) electrons C) Both of the above. D) neutrinos E) All of the above.
An inductor produces a back emf in a DC series RL circuit when a switch connecting the battery to the circuit is closed. We can explain this by
a. Lenz's law. b. increasing magnetic flux within the coils of the inductor. c. increasing current in the coils of the inductor. d. all of the above. e. only (a) and (c) above.