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MHT CET202016 Oct 2020Evening ShiftPhysicsMechanical Properties of FluidsActual

A square frame of each side ' L ' is dipped in a soap solution and taken out. The force acting on the film formed is ( T = surface tension of soap solution)

Options

  1. A2 TL
  2. B8 TL
  3. C12 TL
  4. D16 TL

Correct answer

B. 8 TL

Step-by-step solution

(B) Length of four sides =4 ~L Force due to surface tension =4 ~L 2 ~T =8 LT

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