Question

what changes will observe in a balloon when air is low into it? what happens when the mouth of balloon is led is led of suddenly​

Answer 1

Answer:

I understand that when you make a hole on a bottle filled with water and put the cap on tight the water will not flow out due to the atmospheric pressure acting on the hole.

My confusion is that, lets say the there's some space remaining on the top of the water, when you close the tap, there's still air inside it, so there is pressure from the atmosphere acting on the surface of water inside the bottle. And the hole is at a height h below the surface of the water, so there's also pressure from the depth h of water due to gravity.

Explanation:

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