Question

then we press the bulb of a drop with it s nozzles kept in water are in the drop per is seen to eascl​

Answer 1

Answer:

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Answer 2

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.