Radius of a glass capillary is 0.5 mm . Find the height of the column of water when it is held vertical in water . The density of wateris 10^(3)kgm^(-3) and the the angle of contact between glass and water is 0^(@),g=9.8ms^(-2) and the surface tension of water T=0.0727Nm^(-1).

Radius of a glass capillary is 0.5 mm . Find the height of the column

1.	Radius of a glass capillary is 0.5 mm . Find the height of the column of water when it is held vertical in water . The density of wateris 10^(3)kgm^(-3) and the the angle of contact between glass and water is 0^(@),g=9.8ms^(-2) and the surface tension of water T=0.0727Nm^(-1).
Answer» <html><body><p></p>Solution :`r=0.5mm=5xx10^(-<a href="https://interviewquestions.tuteehub.com/tag/4-311707" style="font-weight:bold;" target="_blank" title="Click to know more about 4">4</a>)m`<br/>`rho=10^(<a href="https://interviewquestions.tuteehub.com/tag/3-301577" style="font-weight:bold;" target="_blank" title="Click to know more about 3">3</a>)<a href="https://interviewquestions.tuteehub.com/tag/kgm-2769156" style="font-weight:bold;" target="_blank" title="Click to know more about KGM">KGM</a>^(-3)`<br/>`theta=0 "" thereforecos0^(@)=1`<br/>`g=9.8ms^(-<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>)`<br/>`T=0.0727Nm^(-1)`<br/>`T=(rhrhog)/(2costheta)`<br/> `thereforeh=(2Tcostheta)/(rrhog)`<br/>`=(2xx0.0727xx1)/(5xx10^(-4)xx10^(3)xx9.8)`<br/>`thereforeh=0.0296m`<br/>`thereforeh=2.96cm`</body></html>