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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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
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?