A dropper is kept in a beaker of water.When we press its bulb,the bubbles of air escape into water.On releasing the bulb,water enters the dropper.The flow of water into the dropper is due to pressure of air pressure of water Shape of the rubber gravitational pull of the eart
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Hi mate here is your answer
When We Press the Bulb of a Dropper with Its Nozzle Kept in Water, Air in the Dropper is Seen to Escape in the Form of Bubbles. Once We Release the Pressure on the Bulb, Water Gets Filled in the Dropper. the Rise of Water in the Dropper is Due to Concept: Pressure - Atmospheric Pressure.
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