Planetary orbits:
A) are evenly spaced throughout the solar system.
B) are highly inclined to the ecliptic.
C) are almost circular, with low eccentricities.
D) have the Sun at their exact center.
E) are spaced more closely together as they get further from the Sun.
C
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Which one of the following quantities can be measured by performing a Hall effect measurement?
a) magnetic monopole strength b) charge of the electron c) number density of charge carriers d) acceleration of an electron e) work function
The lowest tone to resonate in pipe of length L that is open at both ends is 200 Hz. Which one of the following frequencies will not resonate in the same pipe?
A) 200 Hz B) 400 Hz C) 600 Hz D) 800 Hz E) 900 Hz
The spacing of the atoms in the H2 molecule is 7.4 x 10-11 m. What is the energy of the L = 1 rotational level?
A) 9.0 x 10-2 eV B) 7.0 x 10-2 eV C) 4.5 x 10-2 eV D) 3.0 x 10-2 eV E) 1.5 x 10-2 eV
The gravitational Force between two objects decreases if you __________ their mass or _________ the distance between them.
Fill in the blank(s) with the appropriate word(s).