Question

When the ink filler is dipped into a beaker of water and the bulb is pressed ,air bubbles appear in the water .Give reasons

Answer 1

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 and creates the vacuum in the bulb.

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Answer 2

When the ink filler is dipped into a beaker of water and the bulb is pressed ,air bubbles appear in the water , because -

• At the initial stage,the bulb of the ink filler is full of atmospheric air.

• When we dip it into the water and then press the bulb,the air stored into the bulb is transferred into the water.

• This transferred air takes the form of the bubble and gets out of the water.

• To fill the void space which is created by the transferred air,the water gets into the bulb and in the same way we can fill the filler with any kind of liquid including the ink.