Two limbs of a manometer consist of uniform capillary tubes of radii r_(1)andr_(2) respectively (r_(1)gtr_(2)). If the level of liquid in narrower tube stands at a height .h. above that in the broader tube then the exact pressure difference will be

Two limbs of a manometer consist of uniform capillary tubes of radii r

1.	Two limbs of a manometer consist of uniform capillary tubes of radii r_(1)andr_(2) respectively (r_(1)gtr_(2)). If the level of liquid in narrower tube stands at a height .h. above that in the broader tube then the exact pressure difference will be
Answer» <html><body><p><<a href="https://interviewquestions.tuteehub.com/tag/p-588962" style="font-weight:bold;" target="_blank" title="Click to know more about P">P</a>></p>Solution :If `P_(1)andP_(2)` are the pressures in broader and <a href="https://interviewquestions.tuteehub.com/tag/narrower-2857361" style="font-weight:bold;" target="_blank" title="Click to know more about NARROWER">NARROWER</a> <a href="https://interviewquestions.tuteehub.com/tag/tubes-1428682" style="font-weight:bold;" target="_blank" title="Click to know more about TUBES">TUBES</a> <br/> Then `P_(A)=P_(B)+hrhog` <br/> `P_(1)-(<a href="https://interviewquestions.tuteehub.com/tag/2s-301125" style="font-weight:bold;" target="_blank" title="Click to know more about 2S">2S</a>)/r_(1)=P_(2)-(2S)/r_(2)+<a href="https://interviewquestions.tuteehub.com/tag/hdg-3657699" style="font-weight:bold;" target="_blank" title="Click to know more about HDG">HDG</a>` <br/> `P_(1)-P_(2)=hrhog-2S[1/r_(2)-1/r_(1)]`</body></html>