Mht Cet
Fluid Mechanics
MHT CET 2026 17th April Morning Shift
MCQ+1 / -02026
A soap bubble of radius $\dfrac{1}{\sqrt{\pi}}$ cm is expanded to radius $\dfrac{3}{\sqrt{\pi}}$ cm. Surface tension of soap solution is 25 dyne/cm. The work done during expansion in erg is