An Elementary Handbook of PhysicsBlackwood, 1871 - 389 páginas |
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Página 11
... iron or steel bodies . A larger magnet has greater attractive force . An ordinary piece of steel may be made into a magnet by being stroked several times with another magnet . A piece of soft iron may be magnetised by putting it near a ...
... iron or steel bodies . A larger magnet has greater attractive force . An ordinary piece of steel may be made into a magnet by being stroked several times with another magnet . A piece of soft iron may be magnetised by putting it near a ...
Página 15
... iron we shall find that the weight of the iron is nearly three times that of the water . This is because the atoms of the iron are more closely packed to- gether than those of the water . Thus , if there be a hundred atoms of water in a ...
... iron we shall find that the weight of the iron is nearly three times that of the water . This is because the atoms of the iron are more closely packed to- gether than those of the water . Thus , if there be a hundred atoms of water in a ...
Página 16
... iron three hundred atoms ; and since we suppose the earth's attraction to act with equal force on each atom of matter , the weight of the water will be only one - third of that of the iron - i.e . , the force which the earth will exert ...
... iron three hundred atoms ; and since we suppose the earth's attraction to act with equal force on each atom of matter , the weight of the water will be only one - third of that of the iron - i.e . , the force which the earth will exert ...
Página 18
... iron . Sound will pass along a solid iron bar , or the iron of a pipe , just as water would pass through the pipe . So also , when a gun is fired , the sound is heard twice by a person some distance off ; being carried by the air , and ...
... iron . Sound will pass along a solid iron bar , or the iron of a pipe , just as water would pass through the pipe . So also , when a gun is fired , the sound is heard twice by a person some distance off ; being carried by the air , and ...
Página 23
... iron , which could scarcely be the case if actual transfer of matter were required . Again , the intensity of a sound is increased by commencing in a dense atmosphere , which would retard rather than increase the force of matter ...
... iron , which could scarcely be the case if actual transfer of matter were required . Again , the intensity of a sound is increased by commencing in a dense atmosphere , which would retard rather than increase the force of matter ...
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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.