Q861
Open questionIf an ordinary glass tube and a glass capillary tube are both dipped in a beaker of water, water rises in
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Q862
Open questionSurface tension in a liquid is due to :
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Q863
Open questionA boat loaded with rocks floats in the middle of a swimming pool. A man in the boat throws the rocks overboard. The level of water in the pool will
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Q864
Open questionThe oil in the wick of an oil lamp rises up due to:
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Q865
Open questionFog is an example of
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Q866
Open questionIf the diameter of a capillary is doubled, then the rise of water in it will be
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Q867
Open questionA needle or a pin floats on the surface of water because of
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Q868
Open questionMaterials for rain proof coats and tents owe their water proof properties to
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Q869
Open questionSoap bubble attains spherical shape due to ________
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Q870
Open questionWater drops cannot stick to the oily surface due to
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Q871
Open questionWhich of these liquids has the highest viscosity?
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Q872
Open questionThe absorption of ink by blotting paper involves
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Q873
Open questionWater from soil enters into the root hairs owing to :
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Q874
Open questionWhich of the following liquids has the least density ?
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Q875
Open questionA small drop of oil spreads over water because :
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Q876
Open questionTwo rods, one of copper and other of steel, experience the same upthrust when placed in water.Thus, both have
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Q877
Open questionIf ice floating on water in a vessel melts, the water level in the vessel ________ .
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Q878
Open questionOn a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because
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Q879
Open questionThe velocity of falling rain drops attains a terminal value because of
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Q880
Open questionWhich one is the unit of surface tension of a liquid
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