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1. 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?
pressure of watergravity of the earthshape of rubber bulbatmospheric pressure
YesNoNeverSometimes
forceatmospheric pressuremuscular forcefriction
contact forcenon-contact forcepressuredensity
DensityPush or pullMagnitudeContact or Non-contact force
force of gravityelectrostatic forceforce of frictionmagnetic force
non-contactcontactgravitationalelectrostatic
Motion of bodySpeed of bodyShape of bodyAll of the above
sum of two forcesdifference between two forcesboth the aboveNone of the above
ForceLess force appliedFrictionNone of the above
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