Lessons in Elementary Physics

absorbed action angle antimony atmosphere attraction ball battery bismuth body boiling-point bulb carbonic acid centimetre centre coil colours conductor copper cubic cubic centimetre cylinder decimetre denote density direction distance earth electric current electrical separation electromotive force energy of position equal expansion experiment fact fluid focus force of gravity galvanometer gases glass grammes hence hydrogen increase instance intensity kilogramme kind 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 pendulum piston plane plate pressure prism produced proportional quantity 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 upwards vapour various velocity vertical vessel vibrations visible volume wave wave-length weight wire zinc