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. what causes the risc of water in the dropper.
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Answered by
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 and the atmospheric pressure acting upon the water forces it to move in the dropper.
This is how water gets filled in the dropper.
Answered by
7
Answer:
The reason is atmospheric pressure.
Explanation:
When bulb is unpressed the atmospheric pressure is equal inside the dropper and outside the dropper. But when air is thrown out the pressure out side is more due to which when the dropper is dipped in water, the water fills in the dropper because of the force outside, as it is more.
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