1.

A soap bubble of radius R is surrounded by another soap bubble of radius 2R, as shown. Take surface tension = S.

Answer»

Then the pressure inside the SMALLER soap BUBBLE in EXCESS of the atmospheric pressure is ZERO
Then the pressure inside the smaller soap bubble in excess of the atmospheric pressure is 6S/R
Then the pressure inside the larger soap bubble in excess of the atmospheric pressure is 4S/2R
Then the pressure inside the larger soap bubble in excess of the atmospheric pressure is 4S/R

Answer :B::C


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