All the following statements are true. Which one can be attributed to the exclusion principle?
A) Two electrons with the same spin cannot occupy the same energy level in an atom.
B) If we know the location of an electron quite well, we will have little idea where it is going next.
C) If an electron and antielectron meet, they will turn into energy through mutual annihilation.
D) An electron has energy equal to its mass times the speed of light squared.
A) Two electrons with the same spin cannot occupy the same energy level in an atom.
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Where are most asteroids found?
A) between the orbits of Mars and Jupiter B) between the orbits of Jupiter and Saturn C) in the Oort cloud D) inside the orbit of Earth E) between the orbits of Earth and Mars
A nuclear chain reaction is possible because, for the isotopes that can participate in a chain reaction, each nucleus when fissioned
A. produces more neutrons than are required to fission one nucleus. B. produces more energy than is required to fission one nucleus. C. produces daughters that can also be fissioned to produce more energy. D. produces daughters that can fuse together to make more of the same isotope.
Two objects, A and B, are placed on an inclined plane that can be rotated to different angles of elevation. A starts to slide at twice the angle of elevation that B starts sliding. The respective coefficients for static friction for A and B are mA and mB. Choose the last answer that is correct
a. mB > mA c. mB = 2 mA b. mA > mB d. mA = 2 mB
Why is there no surface on Jupiter or Saturn?
What will be an ideal response?