The rate of heat flow by conduction through a slab does NOT depend upon the:
A. temperature difference between opposite faces of the slab
B. thermal conductivity of the slab
C. slab thickness
D. cross-sectional area of the slab
E. specific heat of the slab
Answer: E. specific heat of the slab
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The theory that Mercury shrank slightly when it was young has been proposed to explain
a. extended lava plains. b. large craters. c. magnetic field. d. lobate scarps. e. regolith.
Thin Films: A puddle of water has a thin film of gasoline floating on it. A beam of light is shining perpendicular on the film. If the wavelength of light incident on the film is 560 nm and the indices of refraction of gasoline and water are 1.40 and 1.33, respectively, what must be the minimum thickness of the film to see a bright reflection?
A. 100 nm B. 200 nm C. 300 nm D. 400 nm E. 500 nm
One difference between the near and far sides of the moon is that ________.
A. the far side has no maria B. the far side is almost all rough terrain C. the far side is more heavily cratered D. the far side's crust is mostly anorthosite E. All of these choices are correct.
Temperature in the air can decrease by the process of
A) moisture condensation. B) moisture evaporation. C) contact with warm surfaces. D) solar radiation.