Asked Jan 11, 2020

Two soap bubbles in vacuum having radii 3cm and 4cm respectively coalesce under isothermal conditions to form a single bubble. What is the radius of new bubble.


Expert Answer

Step 1

The excess pressure inside the first soap bubble is

Physics homework question answer, step 1, image 1
Step 2

The volume of the first bubble is

Physics homework question answer, step 2, image 1
Step 3

The excess pressure inside ...

Physics homework question answer, step 3, image 1

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