Which of the following statements is NOT true about the expectation value of a physical observable?
e.
This statement is not true. To find the expectation value for a physical observable, it is much like taking the average of a series of measurements, except that this series of measurements is a function given by the wave function. The average is the function values times the weight (the x-values) divided by the summed total of the function values. Normalization is not necessary in this case. The summed total of the probability function should be 1 when normalized, but the expectation value can use the summed total of the probability function even if it is not normalized.
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What other recent hypotheses would corroborate the hypothesis that life on Earth originated in space? (Choose all that apply.)
A) amino acids forming DNA B) meteorites containing amino acids C) cometary impacts as the source of water on Earth D) early aerobic organisms created the oxygen in Earth's atmosphere E) the fossil record showing how biological organisms on Earth have changed over time
A proton with initial kinetic energy KE is moving in circular motion in a uniform magnetic field. When it has completed one eighth of a revolution, what is its kinetic energy?
a. 1.4KE b. 0.71KE c. KE d. The value is not given.
Consider the following three items
A. 100 g of steam on the Moon B. 10 g of water on the Earth C. 20 g of ice floating in water on the Earth Put these items in order of increasing mass:
1.A < B < C 2.A < C < B 3.B < A < C 4.B < C < A 5.C < A < B 6.C < B < A 7.None of the above 8.Impossible to determineHow many possible sets of quantum numbers (electron states) are there in the 5f subshell?
A) 2 B) 6 C) 8 D) 10 E) 14