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10. When we press the bulb of a dropper with its nozzle kept in water, arinen we press the bulb of a dropper with its nozzle kept in water, air inthe dropper is seen to escape in the form of bubbles. Once we release thepressure on the bulb, water gets filled in the dropper. The rise of water inthe dropper is due to(a) pressure of water.(b) gravity of the earth.(c) shape of rubber bulb. |
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