Question and Answers Forum

All Questions      Topic List

Properties of Matter Questions

Previous in All Question      Next in All Question      

Previous in Properties of Matter      Next in Properties of Matter      

Question Number 30866 by Tinkutara last updated on 27/Feb/18

Commented by Tinkutara last updated on 28/Feb/18

Is this the same reason for two times surface tension in Q 30094 also?

Commented by mrW2 last updated on 28/Feb/18

$$Thewatercolumnhasonbothends$$$$contacttoair.Wehave2timessurface$$$$tensiontoholdthewatercolumn.$$

Commented by mrW2 last updated on 28/Feb/18

$$14mm?$$

Commented by Tinkutara last updated on 28/Feb/18

Answer is 15 mm. Maybe you took g differently.

Commented by mrW2 last updated on 28/Feb/18

$$2\times \frac{2\times 73.5\times {10}^{-3}}{1000\times 9.81\times 0.002}=0.015m=15mm$$

Commented by Tinkutara last updated on 28/Feb/18

$$Yesthisgives15mmbutformulais$$$$h=\frac{2S\cos \theta }{r\rho g}.I{can}^{\prime }tunderstandwhen$$$$wetakeit\frac{4S\cos \theta }{r\rho g}.$$

Commented by mrW2 last updated on 28/Feb/18

$$No.Thatisadifferentsituation.$$

Commented by Tinkutara last updated on 01/Mar/18

Thanks! Got this question.

Terms of Service

Privacy Policy

Contact: info@tinkutara.com