Which of the following describes the light reflecting and transmission characteristics of a mineral?
fluorescence
luster
virtual absorption
color streak
luster
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Calculate the ground state energy (in eV) for an electron in a box (an infinite well) having a width of 0.050 nm
a. 10 b. 75 c. 24 d. 150 e. 54
If a copper alloy is in the (O) condition, it is _________.
Fill in the blank(s) with the appropriate word(s).
That the Moon has no magnetic field implies that
a. the Moon is spinning too slowly to produce a magnetic field. b. the interior of the Moon is too hot to produce a magnetic field. c. the crust of the Moon is so thick that the magnetic field cannot get out of the interior. d. the Moon's core contains little if any molten iron. e. the Moon is moving further from Earth.
Mass on a Spring: A mass on a spring undergoes SHM. When the mass is at its maximum distance from the equilibrium position, which of the following statements about it are true? (There could be more than one correct choice.)
A. Its acceleration is zero. B. Its speed is zero. C. Its elastic potential energy is zero. D. Its kinetic energy is a maximum. E. Its total mechanical energy is zero.