Consider the elliptical orbit of a comet around the Sun. Where in its orbit does it have the largest amount of total orbital energy?
A) when it is farthest from the Sun
B) when it is closest to the Sun
C) It always has the same total orbital energy.
C
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What happens when an electron in an atom absorbs a photon?
A. The electron moves to the nucleus. B. The electron moves to a lower energy level. C. The electron turns into a proton. D. The electron moves to a higher energy level.
If the frequency of the AC voltage across an inductor is doubled, the inductive reactance of that inductor
A) decreases to one-half its original value. B) increases to twice its original value. C) decreases to one-fourth its original value. D) increases to 4 times its original value.
All modern large optical telescopes are refractors
Indicate whether the statement is true or false
Doubling the wavelength of a photon would ______________ its energy
Fill in the blank(s) with correct word