Question

A dropper to fill ink works because of which of the following

Answer 1

A dropper to fill ink works because of air pressure.

Explanation :

• When we press the ink dropper, the air inside the dropper is removed creating the low pressure environment in the dropper.

• When we release the dropper, air gets sucked into it from the higher atmospheric pressure around it.

• Generally, the pressure in the ink bottle is high. When you release the dropper in it, the ink flows from higher pressure region (bottle) to the lower pressure region (filler).

Learn more :

1. Riya's grandmother always dries vegetables in the Sun before pickling them. How does drying help vegetables?

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2. How atmospheric pressure is used to fill ink in the pen .

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Answer 2

When we squeeze the rubber top on the dropper we squeeze the air out . As soon as we create a low pressure by removing the air inside the bulb and the ink flows into full in the void .