A steel needle floating on water, sinks when kerosine is added to the water. This...
PHYSICS
WAEC 2004
A steel needle floating on water, sinks when kerosine is added to the water. This is because the kerosine
- A. increased the surface tension of the water
- B. reduces the density of the water
- C. reduces the surface tension of the water
- D. reduces the upthrust on the needle
Correct Answer: C. reduces the surface tension of the water
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