Lessons in Elementary Physics |
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Page 135
... mirror , the ' diverges from it will be reflected as in the ultimately comes to a point at the focus sound which figure , until it of the other mirror . Thus , if a watch be placed at LESS . XVIII . ] 135 VISIBLE ENERGY .
... mirror , the ' diverges from it will be reflected as in the ultimately comes to a point at the focus sound which figure , until it of the other mirror . Thus , if a watch be placed at LESS . XVIII . ] 135 VISIBLE ENERGY .
Page 136
Balfour Stewart. mirror . Thus , if a watch be placed at the one focus , its ticking will be heard very distinctly at the other . It is related that at the Cathedral of Girgenti , in Sicily , the slightest whisper is conveyed from the ...
Balfour Stewart. mirror . Thus , if a watch be placed at the one focus , its ticking will be heard very distinctly at the other . It is related that at the Cathedral of Girgenti , in Sicily , the slightest whisper is conveyed from the ...
Page 145
... mirror attached to one arm , and L a small counterpoise , in order to balance the mirror. LESS . XIX . ] 145 VISIBLE ENERGY .
... mirror attached to one arm , and L a small counterpoise , in order to balance the mirror. LESS . XIX . ] 145 VISIBLE ENERGY .
Page 146
Balfour Stewart. a small counterpoise , in order to balance the mirror , to ' the other . A ray of light from a hole in the darkened chimney of a lamp is made to strike this mirror , and is reflected from it towards another mirror m ; it ...
Balfour Stewart. a small counterpoise , in order to balance the mirror , to ' the other . A ray of light from a hole in the darkened chimney of a lamp is made to strike this mirror , and is reflected from it towards another mirror m ; it ...
Page 223
... mirrors . denote a luminous point , and M м a plane mirror , and let the reflection of the luminous point be viewed by the eye at D D ' ; also let AA ' and BC denote lines perpendicular to the plane of the mirror . Now since BD is the ...
... mirrors . denote a luminous point , and M м a plane mirror , and let the reflection of the luminous point be viewed by the eye at D D ' ; also let AA ' and BC denote lines perpendicular to the plane of the mirror . Now since BD is the ...
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Common terms and phrases
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