A soap bubble assumes a spherical surface. Which of the following statement is wrong
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a
The soap film consists of two surface layers of molecules back to back
b
The bubble encloses air inside it
c
The pressure of air inside the bubble is less than the atmospheric pressure; that is why the atmospheric pressure has compressed it equally from all sides to give it a spherical shape
d
Because of the elastic property of the film, it will tend to shrink to as small a surface area as possible for the volume it has enclosed
answer is C.
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Detailed Solution
The pressure of air inside the bubble is more than the atmospheric pressure; that is why the atmospheric pressure has compressed it equally from all sides to give it a spherical shape.