In its lowest quantum state, the energy of a diatomic harmonic oscillator having frequency f is
A) 3hf/2. B) hf/2. C) hf. D) hf/4.
B
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If you jump vertically while inside a fast-moving train that is slowing down, you land
A) a bit ahead of your original position. B) at your original position. C) a bit behind your original position.
The wave is observed in such experiments as the electron double-slit experiment is
A) a traveling disturbance in a large collection of electrons or other sub-atomic particles. B) due to oscillations of the various sub-atomic force fields such as the strong force field. C) a wave in an electromagnetic field. D) a wave in a matter field. E) due to the impact of sub-atomic particles, such as neutrinos, that randomly hit and deflect the moving electron.
A series RLC ac circuit has a capacitive reactance of 55
and inductive reactance of 25
and a resistance of 40
What is the impedance of this circuit?
A. 12
B. 95
C. 70
D. 10
E. 50
RMS and Peak Quantities: An alternating current is supplied to an electronic component with a rating that the voltage across it can never, even for an instant, exceed 16 V. What is the highest rms voltage that can be supplied to this component while staying below the voltage limit?
A. 8
V
B. 16
V
C. 256 V
D. 8 V