In a blackbody, the energy of the oscillating atoms is quantized
a. True
b. False
Indicate whether the statement is true or false
True
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Olber's paradox is explained by the fact that the Universe is neither static nor infinite in age
a. True b. False Indicate whether the statement is true or false
A bar magnet is falling through a loop of wire with constant velocity. The south pole enters first. As the magnet leaves the wire, the induced current (as viewed from above):
a. is along the length of the magnet. c. is counterclockwise. b. is clockwise. d. is zero.
A body in a room at 300 K is heated to 3,000 K. The wavelength of the most intense EM radiation emitted by the body at 3,000 K is __________ times the wavelength of the most intense EM radiation at 300 K
Fill in the blank(s) with correct word
A galaxy that has gone through many collisions and mergers must be a(n) _______________ galaxy
Fill in the blank(s) with correct word