The radius of an Ostwald viscometer is measured as 168 um. The time of flow of liquid is 19.86 seconds and the volume and pressure of the liquid are 2.864 cc and 0.98 atm respectively. The distance travelled by the liquid during the given time is 2.34 cm. What is the radius in cm? * O 16.8000 O 168.0000 O 0.0168 O 0.1680

Elements Of Electromagnetics
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The radius of an Ostwald viscometer is measured as 168 um. The time of
flow of liquid is 19.86 seconds and the volume and pressure of the liquid
are 2.864 cc and 0.98 atm respectively. The distance travelled by the liquid
during the given time is 2.34 cm. What is the radius in cm? *
16.8000
168.0000
0.0168
0.1680
What should be the surface tension of a liquid if its density, which is 1.44
g/cc, is the same as that of the calibrating liquid? The displacements of
the liquid and the calibrating liquid inside the capillary tube are both 0.5
cm. The surface tension of the calibrating liquid is 29.4509 dynes/cm. *
29.5409 dynes/cm
14.7255 dynes/cm
No answer from the choices
35.9587 dynes/cm
Transcribed Image Text:The radius of an Ostwald viscometer is measured as 168 um. The time of flow of liquid is 19.86 seconds and the volume and pressure of the liquid are 2.864 cc and 0.98 atm respectively. The distance travelled by the liquid during the given time is 2.34 cm. What is the radius in cm? * 16.8000 168.0000 0.0168 0.1680 What should be the surface tension of a liquid if its density, which is 1.44 g/cc, is the same as that of the calibrating liquid? The displacements of the liquid and the calibrating liquid inside the capillary tube are both 0.5 cm. The surface tension of the calibrating liquid is 29.4509 dynes/cm. * 29.5409 dynes/cm 14.7255 dynes/cm No answer from the choices 35.9587 dynes/cm
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