Examples in Physics |
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Page 35
... external particle as if its whole mass were condensed at its centre . Work . When the point of application of a force F moves through a distance s in the direction of the force , the work ( W ) done is W = Fs . If the force is measured ...
... external particle as if its whole mass were condensed at its centre . Work . When the point of application of a force F moves through a distance s in the direction of the force , the work ( W ) done is W = Fs . If the force is measured ...
Page 126
... flask is gradually heated : find the tempera- ture at which the internal and external pressures will be equal , the barometric height being 75 cm . At what temperature will the pressure inside the flask be two atmospheres 126 CH . HEAT.
... flask is gradually heated : find the tempera- ture at which the internal and external pressures will be equal , the barometric height being 75 cm . At what temperature will the pressure inside the flask be two atmospheres 126 CH . HEAT.
Page 139
... external volume of two litres , find the apparent difference in the weight due to the fall of the barometer from 760 mm . to 750 mm . , the temperature at the same time altering from 12 ° C. to 19 ° C. [ The density of the air at o ...
... external volume of two litres , find the apparent difference in the weight due to the fall of the barometer from 760 mm . to 750 mm . , the temperature at the same time altering from 12 ° C. to 19 ° C. [ The density of the air at o ...
Page 152
... external tempera- ture is 2 ° C. In order to ventilate the room efficiently air has to be introduced at the rate of one - third of a cubic foot per second for each person present , and for the sake of comfort the air supplied has to be ...
... external tempera- ture is 2 ° C. In order to ventilate the room efficiently air has to be introduced at the rate of one - third of a cubic foot per second for each person present , and for the sake of comfort the air supplied has to be ...
Page 182
... external work ( p . 181 ) , for during the process the volume of the air is doubled ; the change of volume ( dv ) is I c.c. , and the work done during the expan- sion is II ergs . The thermal equivalent of this is h = II / J . Now if ...
... external work ( p . 181 ) , for during the process the volume of the air is doubled ; the change of volume ( dv ) is I c.c. , and the work done during the expan- sion is II ergs . The thermal equivalent of this is h = II / J . Now if ...
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acceleration amount of heat ampère angle atmospheric pressure B.Sc barometer battery body of mass Boyle's law C.G.S. units Calculate calorimeter Camb capacity cells centre charge circuit coefficient of expansion column conductor constant convex lens copper cubic centimetres cubical expansion Daniell cells deflection denote density diameter distance dynes electricity equal equation equivalent ergs feet per second Find the specific focal length foot-pounds ft.-lbs galvanometer given glass grammes grammes of water heat-units horizontal horse-power immersed inches internal resistance kilogramme lamp latent heat liquid litres magnetic Matric measured melted mercury metres per second miles minute object ohms piston placed plane pole poundals pounds produced Prove quantity radius raised ratio refractive refractive index Schol shunt specific gravity specific heat sphere steam string surface tangent galvanometer temperature tube vertical vibrations volts volume weight wire