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  • The ratio of excess of pressure inside two soap bubbles of diameters is 2 : 1 is (a) 1 : 4 (b) 2 : 1 (c) 1 : 2 (d) 4 : 1

The ratio of excess of pressure inside two soap bubbles of diameters is 2 : 1 is (a) 1 : 4 (b) 2 : 1 (c) 1 : 2 (d) 4 : 1

Answers (1)

The excess pressure  P = 4S / R

The excess pressure is inversely proportional to R

The required ratio is 1:2

 

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Safeer PP

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