Mass transfer in binaries occurs when one giant swells to reach the:
A) Chandrasekhar Limit.
B) Cassini Division.
C) Hayashi Track.
D) Roche Lobe.
E) Herbig-Haro Limit.
D
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A featureless spectrum, such as a rainbow, is said to be ________
Fill in the blank(s) with correct word
Since radiation interacts with matter in individual particle-like impacts called photons, why does light seem continuous to us?
A) Each photon is spread out over a large region of space and these regions overlap each other. B) Because there are so many photons in a light beam and each carries such a small amount of energy. C) Each photon has a very wide range of energies, and these energy ranges overlap each other. D) Because of the way that the photons interact with each other. E) Because there are so few photons in a light beam and because they each carry such a large amount of energy.
The analytical procedure that bombards a sample with neutrons and measures the frequency of gamma rays emitted is called
a. the alpha scattering technique. b. carbon dating. c. neutron activation analysis. d. Geiger counting.
A pair of parallel plates, forming a capacitor, are charged. The plates are pulled apart to triple the original separation, the charges on the plates remaining the same. What is the ratio of the final energy stored to the original energy stored?
a. 1/9 c. 1/3 b. 1.5 d. 3