Surface tension is force per unit length and pressure is force per unit area. Now, answer \( \ma...

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Surface tension is force per unit length and pressure is force per unit area. Now, answer
\( \mathrm{P} \) the following questions on basis of dimensional

W analysis.
-Which relation CANNOT be obtained -dimensional analysis :
(1) Pressure \( =\frac{\text { Force }}{\text { Area }} \)
-(2) Volume \( = \) length \( \times \) area
- (3) Thermal energy \( =(\text { momentum })^{2} \) (mass \( ^{-1} \)
(4) Distance \( = \) velocity \( \times \) time
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