General Knowledge :: Physics
- The absorption of ink by blotting paper involves
- Water from soil enters into the root hairs owing to :
- Which of the following liquids has the least density ?
- A small drop of oil spreads over water because :
- Two rods, one of copper and other of steel, experience the same upthrust when placed in water.Thus, both have
- If ice floating on water in a vessel melts, the water level in the vessel ________ .
- On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because
- The velocity of falling rain drops attains a terminal value because of
- Which one is the unit of surface tension of a liquid
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