Q. 1 C4.3( 4 Votes )

Answer the follow

Answer :

Ink enters the dropper till the pressure of the air inside the dropper becomes equal to the atmospheric pressure outside acting on the ink in the bottle. It is because the two pressures ( atmospheric pressure, Pressure of air in the dropper) are equal the ink does not spill out unless the bulb is pressed, because on pressing the bulb the pressure inside the dropper becomes more than atmospheric pressure thus the two pressures are not equal.

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