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

Physics & Space Science

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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

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What will be an ideal response?

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a.is 1 for the magnetic moment associated with the spin and 2 for the magnetic moment associated with the angular momentum. b.relates the Bohr magneton to the elementary charge. c. does not help explain the result of the Stern and Gerlach experiment. d. relates the magnetic moments of spin and angular momentum to the total angular momentum. e.gives the values of intrinsic spin quantum number of the electron as 1/2 and -1/2

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