The New Encyclopaedia Britannica, Volume 29Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries |
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Page 458
... measuring the viscosity ( resistance to internal flow ) of a fluid . In the simplest version , the time taken for a ... measured . Other types depend on measure- ments of the time taken for a sphere to fall through the fluid , or of the ...
... measuring the viscosity ( resistance to internal flow ) of a fluid . In the simplest version , the time taken for a ... measured . Other types depend on measure- ments of the time taken for a sphere to fall through the fluid , or of the ...
Page 583
... measured from compression to compression or rarefaction to rarefaction . Wavelength is usually denoted by the Greek ... measurement methods 17 : 456b telescope sensitivity in light band 18 : 98b passim to 100f vibrational node patterns ...
... measured from compression to compression or rarefaction to rarefaction . Wavelength is usually denoted by the Greek ... measurement methods 17 : 456b telescope sensitivity in light band 18 : 98b passim to 100f vibrational node patterns ...
Page 584
... measured in metres , 1 / A represents the number of waves of the wave train to be found in a length of one metre or , if measured in centimetres , the number in one centimetre . This number is called the wave number of the spectrum line ...
... measured in metres , 1 / A represents the number of waves of the wave train to be found in a length of one metre or , if measured in centimetres , the number in one centimetre . This number is called the wave number of the spectrum line ...
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