volume = area * thickness
so now just plug in your numbers
A drop of oil of volume 12^-10m^3 spreads out on water to make a circular film of radius 11^-2m calculate the thickness of the film
3 answers
What if thickness is not given
Thickness = volume / area
Area = πr² r = 11^-2
Area = 22/7 X 11^-2
Area = 0.02596m²
Volume = 12^-10m³
Thickness = 12^-10 / 0.02596
= 0.62211 * 10^-9
Or 6.22 * 10^-10
Area = πr² r = 11^-2
Area = 22/7 X 11^-2
Area = 0.02596m²
Volume = 12^-10m³
Thickness = 12^-10 / 0.02596
= 0.62211 * 10^-9
Or 6.22 * 10^-10
1 answer