Class 11 Physics Mechanics Mechanical Properties of Fluids



A drop of oil is placed on the surface of water. Which of the following statement is correct?
(a)
It will remain on it as a sphere
(b)
It will spread as a thin layer
(c)
It will partly be as spherical droplets and partly as thin film
(d)
It will float as distorted drop on the water surface
Correct answer: (b) 
Solution: If a liquid of oil is placed on a water surface then it will spread as a thin layer as it reduces the surface tension of water surface.

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mechanical properties of fluids
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mechanical properties of fluids
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