A diatomic molecule has 2.6 × 10-5 eV of rotational energy in the l = 2 quantum state. What is its rotational energy in the l = 1 quantum state?
A) 8.7 µeV B) 3.4 µeV C) 4.1 µeV D) 7.8 µeV E) 5.3 µeV
A
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Three systems are constructed from identical springs and masses as shown
A mole of diatomic oxygen molecules and a mole of diatomic nitrogen molecules at STP have
A) the same average molecular speeds. B) the same number of molecules. C) the same diffusion rates. D) all of the above E) none of the above
From a stationary position, I observe a moving boxcar, which has a mirror along the front wall, but it is open at the back of the boxcar. I send a flash of light from my flashlight and time the flash of light as it goes to the front of the boxcar and returns to the back of the boxcar. A passenger in the boxcar also times the round trip of the flash of light. Compare the times recorded on our
watches. a. The time recorded on the two watches is the same. b. The time recorded on his watch is shorter. c. The time recorded on his watch is longer. d. The answer depends on the reference system you are in.
During the _______________ phase, sunlight illuminates the far side of the Moon, and the side you see is in darkness
Fill in the blank(s) with correct word