If the surface tension of a soap solution is 3 × 1 0 − 2 N / m , then the work done in forming a soap film of 20 cm × 5 cm will be

(C) W = 2 T × A = 2 × 3 × 1 0 − 2 × 100 × 1 0 − 4 = 6 × 1 0 − 4 J

Physics - Fluid Question with Solution | TestHub

PhysicsFluidSurface TensionEasy2 minPYQ_2020

PhysicsEasysingle choice

If the surface tension of a soap solution is $3 \times 1 0^{- 2} N / m$ , then the work done in forming a soap film of $20 cm \times 5 cm$ will be

Answer:

Solution:

Stream:MHT_CETSubject:PhysicsTopic:FluidSubtopic:Surface Tension

⏱ 2mℹ️ Source: PYQ_2020

Loading discussions...