What's wrong with the statement "heat rises?"
a. Nothing—heat does rise.
b. One should say "energy rises.".
c. One should say "heated air (or other fluid) rises.".
d. none of the above
c
You might also like to view...
If two copper wires of the same length have different thickness, then the thicker wire has
A) more resistance. B) less resistance. C) both the same
Which process cannot occur if only one photon is involved?
a. Compton effect b. pair production c. the photoelectric effect d. x-ray production
A single slit forms a diffraction pattern with monochromatic light. The fourth minimum of the pattern occurs at an angle of 32° from the central maximum. The angle at which the fifth minimum of the pattern occurs is closest to:
A) 41.5° B) 41.0° C) 40.5° D) 42.0° E) 42.5°
Substances that are _____ give up hydrogen ions when they dissolve in water
a. basic b. acidic c. neutral d. hydrophobic e. buffered