MCQOPTIONS
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| 1. |
A soap bubble assumes a spherical surface. Which of the following statement is wrong [NCERT 1976] |
| 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» 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 | |