An electron is confined to a one-dimensional box of width 0.10 nm, about the size of an atom. What is its energy, in eV, in the ground state?
What will be an ideal response?
38. eV
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The Quarternary is a(n)
a. epoch. b. era. c. eon. d. period.
A race track is constructed such that two arcs of radius 80 m at A and 40 m at B are joined by two stretches of straight tracks as in the figure. In a particular trial run, a driver traveled at a constant speed of 50 m/s for one complete lap. In this case, the angular speed is greatest at
A star with planets orbiting in a plane that is not face-on to our line-of-sight exhibit a Doppler effect due to ________
A) the light emitted by the moving planets B) the light reflecting from the moving planets C) the planet gravitationally tugging the star D) the planet's mass shifting the path of light from the star
Granulation is caused by which energy transport?
a. convection b. radiation c. conduction d. none of the others