The lithosphere of a planet is the layer that consists of
A) material above the crust.
B) material between the crust and the mantle.
C) the rigid rocky material of the crust and uppermost portion of the mantle.
D) the softer rocky material of the mantle.
E) the lava that comes out of volcanoes.
C
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Look at full-color photos in your textbook with a magnifying glass and you'll see inks of
A) red, green, and blue. B) red, green, blue, and black. C) magenta, cyan, and yellow. D) magenta, cyan, yellow, and black. E) none of these
A basketball player jumps to make a basket, and remains in the air for a moment. A sportscaster, talking about the game, then remarks that she has "defied gravity." Which of the following accurately describes the situation?
A) The player did stay in the air in spite of the Law of Gravitation, but a single counter-observation is not enough to warrant revisiting a theory that usually works. B) The player produced enough force with her legs to accelerate up into the air, and gravity brought her back down with an acceleration of 9.8 m/s2. C) The player only seemed to defy gravity, but part of the Universal Law of Gravitation makes an exception for basketball players. D) The player has defied gravity, so scientists must go back into the lab to refine their theory.
The Compton wavelength, h/mec, equals 0.002 43 nm. In Compton scattering, what is the greatest shift, ??, in wavelength that can occur?
a. ?? > 2 h/mec b. ?? = 2 h/mec c. ?? = h/mec d. ?? < h/mec
A particle is in the first excited state of a one-dimensional box of length 1.0 m. What is the minimum value of its momentum (in kg × m/s)?
a. 3.3 × 10^-34 b. 6.6 × 10^-34 c. 9.9 × 10^-34 d. 13 × 10^-34 e. 22 × 10^-34