Which of the following change when the pressure of an ideal gas is changed isothermally?
A. Mean free path
B. Root-mean-square molecular speed
C. Internal energy
D. Most probable kinetic energy
E. Average speed
Answer: A. Mean free path
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In an annular eclipse,
A) the Sun appears as a thin, bright ring. B) the Moon appears as a thin, bright ring. C) the Moon is totally blocked by the Earth. D) the Sun is partially blocked by the Earth. E) the Sun is totally blocked by the Moon.
An ideal air-filled parallel-plate capacitor has round plates and carries a fixed amount of equal but opposite charge on its plates. All the geometric parameters of the capacitor (plate diameter and plate separation) are now DOUBLED
If the original energy density between the plates was u0, what is the new energy density? A) 16u0 B) 4u0 C) u0 D) u0/4 E) u0/16
How have supernovae affected the development of life on Earth?
What will be an ideal response?
The gyromagnetic ratio