A drop of oil of volume 10m spreads out of water to make a circular film of radius 10m .what is the thickness of the film .
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The shape formed will be a cylinder.
Thickness will be equal to height of this cylinder.
22/7×r^2×h=10
22/7×10^2×h=10
h=7/220cm.
Thickness will be equal to height of this cylinder.
22/7×r^2×h=10
22/7×10^2×h=10
h=7/220cm.
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