A ray of light moves from air into water. Which path most accurately shows the refraction?
A. A
B. B
C. C
D. D
E. E
Answer: C
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Draw the octahedral shape with the atoms shown that surrounds the interstitial site at ½, ½, ½ in the FCC metal structure.
What will be an ideal response?
The star HR 4621 has an apparent magnitude of 2.6 and an absolute magnitude of -0.3 . This star is at a distance
a. closer than 10 pc. b. farther than 10 pc. c. No way to tell.
The weight of a 1-centimer cubed metal cube scaled up by a factor of 10 will be
A) ten times as much. B) a hundred times as much. C) a thousand times as much. D) none of the above
A large jetliner with a wingspan of 40 m flies horizontally and due north at a speed of 300 m/s in a region where the magnetic field of the earth is 51 µT directed 24.1° below the horizontal. What is the magnitude of the induced emf between the ends of the wing?
a. 350 mV c. 550 mV b. 750 mV d. 250 mV