MHT CET 2023 Physics question
A soap bubble of radius 'R' is blown. After heating a solution, a second bubble of radius '2R' is blown. The work required to blow the 2nd bubble in comparison to that required for the 1st bubble is
Answer: (C)
Solution
Work done in blowing a soap bubble (two surfaces) is . If the surface tension were the same, . But the solution was heated before blowing the
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