The quantity that is quantized in the oscillating atoms of a blackbody is
a. angular momentum.
b. energy.
c. the emission spectrum.
d. the absorption spectrum.
e. the wave function.
b
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Gravity obeys an inverse square relation. This statement implies that the force due to gravity between two masses
a. will increase as the distance between the two masses increases. b. will decrease as the square of the distance between the two masses increases. c. will cause the two masses to move away from each other. d. will cause the two masses to move in a straight line. e. will cause the two masses to orbit each other.
Transformers: If the secondary coil of a transformer contains more loops than the primary coil, then it is a
A. step-up transformer. B. step-down transformer.
The striking gap between Saturn's A and B rings is called the ________
Fill in the blank(s) with correct word
A key clue to how the solar system formed is the observation that all the planets orbit close to the same plane
Indicate whether the statement is true or false