When we press the bulb of a dropper, with its nozzle kept underwater, air in the dropper is seen to escape in the form of bubbles. If we then release the pressure on the bulb, water gets filled in the dropper. The rise of water in the dropper is due to-
a) Gravity of the earth
b) Weight of the bulb
c) Pressure of water in the container
d) Atmospheric pressure
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Answer:
Option (D)
It is atmospheric pressure
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Answer:
ATMOSPHERIC PRESSURE IS THE ŘĮGHŤ ÃÑŠWÈŔ
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