The heat transfer process in which heat flows directly through the material is
A. conduction
B. convection
C. radiation
A. conduction
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The heat of vaporization of ethyl alcohol Lv is about 200 cal/g. That means that 1 gram of this refrigerant upon vaporization would release
A) less then 200 calories. B) 200 calories. C) more than 200 calories.
Light is reflecting off a wedge-shaped thin piece of glass producing bright and dark interference fringes. If a certain location has a bright fringe, a nearby point will have a bright fringe if the thickness of the glass increases by:
a. one wavelength of the light. c. 1/8 of a wavelength of the light. b. 1/4 of a wavelength of the light. d. 1/2 of a wavelength of the light.
A radioactive atom has 98 protons and 249 nucleons. If it undergoes alpha decay, what are the number of protons and nucleons, respectively, in the daughter nucleus?
A) 96, 247 B) 94, 247 C) 96, 245 D) 100, 249 E) 100, 245
When an air mass is pushed upward over an obstacle, it undergoes
A) convectional lifting. B) orographic lifting. C) adiabatic lifting. D) frontal lifting.