Lessons in Elementary Physics

absorbed angle antimony atmosphere attraction ball battery bismuth body boiling-point bulb carbonic acid centigrade centimetre centre coil condensed conductor copper cubic cubic centimetre cylinder decimetre denote density direction distance earth effect electric current electrical separation energy of position equal expansion experiment fact fluid focus galvanometer gases glass grammes hence hydrogen increase instance intensity iron kilogramme latent heat law of motion length lens liquid luminous magnet marked pole mass means mercury metals metres per second millimetres mirror molecular moving needle oxygen particles pass pendulum piston plane plate pressure prism produced proportional quantity radiant energy radiation ray of light reflected refraction represented resistance side solid sound specific gravity specific heat spectrum square steam stone string substance suppose surface temperature thermometer tricity tube unit vapour various velocity vertical vessel vibrations visible volume wave wave-length weight wire zinc