The "no atmosphere" temperature of a planet is never higher than the planet's actual temperature
Indicate whether the statement is true or false
TRUE
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Exclusion Principle: The electron spin quantum number can have values of
A. -1/2, -1, 0, +1, +1/2. B. -1/2, -1, +1, +1/2. C. -1/2, 0, +1/2. D. -1/2, +1/2. E. only +1/2.
If Earth's mass were suddenly and magically reduced to half its present value, the Sun's gravitational force on Earth would
A. be reduced by a factor of 4. B. be reduced by a factor of 2. C. remain the same. D. increase by a factor of 2.
When a formal definition of a planet in the solar system was adopted, Pluto was reclassified as a dwarf planet. What characteristic of planets does NOT describe Pluto?
A) Planets orbit the Sun. B) Planets are approximately spherical. C) Planets have cleared the neighborhood around their orbit. D) Planets orbit in ellipses with low eccentricity. E) Planets orbit in or very near the ecliptic plane.
A layer of water (n = 1.333) floats on carbon tetrachloride (n = 1.461) contained in an aquarium. To the nearest degree, what is the critical angle at the interface between the two liquids?
a. 88° b. 78° c. 66° d. 58° e. 43°