An Elementary Handbook of PhysicsBlackwood, 1871 - 389 páginas |
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Página 2
... action is the same . Motion or force is communicated to our nerves , and by this action The on these nerves , and by this only , we 2 INTRODUCTION .
... action is the same . Motion or force is communicated to our nerves , and by this action The on these nerves , and by this only , we 2 INTRODUCTION .
Página 2
... action is the same . Motion or force is communicated to our nerves , and by this action INTRODUCTION . on these nerves , and by this only 2 INTRODUCTION .
... action is the same . Motion or force is communicated to our nerves , and by this action INTRODUCTION . on these nerves , and by this only 2 INTRODUCTION .
Página 4
... action outside the eye being mo- tion , the action within the eye being the motion of the nerve , which motion and its mental result constitute light . It cannot be too strongly or too clearly stated that light , sound , and feeling ...
... action outside the eye being mo- tion , the action within the eye being the motion of the nerve , which motion and its mental result constitute light . It cannot be too strongly or too clearly stated that light , sound , and feeling ...
Página 6
... action are very similar . FEELING . It is by this sense that we are cognisant of heat , and if we sub- stitute heat for light , the nerves of feeling for the nerve of sight , INTRODUCTION . 7 we might repeat what we have said 6 ...
... action are very similar . FEELING . It is by this sense that we are cognisant of heat , and if we sub- stitute heat for light , the nerves of feeling for the nerve of sight , INTRODUCTION . 7 we might repeat what we have said 6 ...
Página 8
... action a voltaic battery and connect with it two pieces of carbon , slightly separated , and again I produce light ( fig . 4 ) . This I can do still more brilliantly by increasing the strength of my battery , and so getting the ...
... action a voltaic battery and connect with it two pieces of carbon , slightly separated , and again I produce light ( fig . 4 ) . This I can do still more brilliantly by increasing the strength of my battery , and so getting the ...
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Palavras e frases frequentes
absorbed acid action amount of heat angle antimony apparatus arrangement atoms attraction ball battery becomes bismuth body carbon chemical coil colour conducting conductor connection continuous copper current passes decomposed decreases density direction distance earth effect electric current electric force electrified electroscope equal ether excited galvanic galvanometer gases given glass greater hydrogen inches increase latent heat length less Leyden jar light falling light passing liquid magnet magnetised means measure medium mercury metal mirror motion move needle negative nitric acid number of vibrations ordinary oxygen parallel particles passage piece plate platinum polarised pole position prism produce quantity radiation ray of light refraction repulsion result side soft iron solid sound sound-wave spark specific heat spectrum string substance sulphuric acid surface temperature theory thickness tion tricity tube velocity velocity of sound weight whole wire zinc
Passagens conhecidas
Página 54 - ... the angle of reflection is always equal to the angle of incidence, the image for any point can be seen only in the reflected ray prolonged.
Página 391 - A Manual of Palaeontology, for the Use of Students. With a General Introduction on the Principles of Palaeontology.
Página 292 - ... before incidence. Hence the reflected rays, on being produced back, will meet at a point as far behind the reflector as the point of the object is in front of it.