All the following statements are true. Which one can be attributed to the exclusion principle?
A) If we know the location of an electron quite well, we will have little idea where it is going next.
B) If an electron and antielectron meet, they will turn into energy through mutual annihilation.
C) An electron has energy equal to its mass times the speed of light squared.
D) Two electrons with the same spin cannot occupy the same energy level in an atom.
D
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A Trojan asteroid is caught within the Lagrange points of which planet?
a. Venus b. Earth c. Mars d. Jupiter e. Neptune
What is important about the habitable zone around a star that makes astronomers believe life could exist there?
a. The level of UV radiation from the star is minimal there. b. Only in the life zone can complex organic molecules be found. c. Planets in the life zone will always have oxygen atmospheres. d. In the life zone water can exist as a liquid.
Different colors correspond to electromagnetic waves of different
A) frequencies. B) speeds. C) amplitudes. D) weights. E) intensities.
A 2.00 m by 3.00 m plate of aluminum has a mass of 324 kg. What is the thickness of the plate? (The density of aluminum is 2.70 × 10^3 kg/m3.)