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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 A. Pressure of water B. Gravity of the earth C. Shape of rubber bulb

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
A. Pressure of water
B. Gravity of the earth
C. Shape of rubber bulb

Grade:12th pass

2 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
2 years ago
Our expert is working on this Class IX Science answer. We will update the answer very soon.
Yash Patari
askIITians Faculty 2123 Points
2 years ago
(d) atmospheric pressure. Water rises in the dropper due to atmospheric pressure. When bulb is pressed, air present in tube and bulb escapes in the form of bubbles.

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