What does "IR" stand for?
a. ultraviolet b. muon neutrino
c. high frequency d. infrared
d
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The power consumed by the light bulb is __________
Fill in the blank(s) with correct word
The distance between peaks on a wave divided by the time for the wave to travel this distance is the wave's
a. speed. b. frequency. c. wavelength. d. amplitude. e. loudness.
(Do not try the following: it could kill you. This question is only about a hypothetical possibility.) If you were standing below an object emitting a fixed frequency sound falling at terminal velocity, as it approached you, you would hear the sound
a. drop in frequency. b. stay at the same frequency. c. increase in frequency. d. decrease in loudness. e. stay at the same loudness.
A conducting sphere of radius 20 cm has a charge Q placed on it producing a field of magnitude
at its surface. More charge is added to the surface until the magnitude of the field at the surface is 2
How much charge was added to the surface?
A. Q/2 B. Q C. 2 Q D. 1.4 Q E. 3 Q