1) When a body floats in a liquid, the weight of the liquid displaced by its immersed part is: a) more than the total weight of the body b) less than the total weight of the body. c) equal to the total weight of the body. d) none of the following 2) Which of the following true about evaporation? a) Evaporation takes place at a fixed temperature. b) Evaporation provides a heating effect c) Evaporation takes place over only at the surface of the liquid. d) Evaporation is a violent process. 3) How is pressure defined? a) F/A b) A/F c) F*A d) F*D 4) The unit Joule has been named after: a) James Franck b) Jules Verne c) Joseph John Thomson d) James Prescott Joule

Physics

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