A) pressure of water.
B) gravity of the earth.
C) shape of rubber bulb
D) atmospheric pressure
Correct Answer: D
Solution :
The rise of water in the dropper is due to atmospheric pressure. The rise of water in a dropper is due to atmospheric pressure. When all the air escapes from the nozzle, the atmospheric pressure, which is acting on the water, forces the water to fill the nozzle of the dropper.You need to login to perform this action.
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