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				| 1. | What is the value of pressure inside the bubble of radius 1cm, if the bubble is in water at a depth (H) of 1m? Assume atmospheric pressure to be 1atm, surface tension = 0.075N/m & density of water = 1000kg/m3. | 
| A. | 110015 Pa | 
| B. | 109985 Pa | 
| C. | 26 atm | 
| D. | 4 atm | 
| Answer» B. 109985 Pa | |