Home
Class 12
PHYSICS
10 drops of an oleic acid solution of co...

10 drops of an oleic acid solution of concentration `1/400 cm^3` per `cm^3` of alcohol, are dropped on a water surface. The circular film thus produced has radius 10 cm. Find the molecular size of oleic acid, if the radius of each drop is 1.4 mm.

Text Solution

Verified by Experts

The correct Answer is:
`9.15xx10^(-9)` m
Promotional Banner

Similar Questions

Explore conceptually related problems

A drop of olive oil of radius 0.25 mm spreads into a circular film of radius 5 cm on the water surface. Estimate the molecular size of the olive oil

A drop of olive oil of radius 0.30 mm spreads into a nearly circular film of radius 12 cm on the water surface. Estimate the molecular size of olive Oil

Find the volume of a sphere whose radius is: 2cm (ii) 3.5cm (iii) 10.5 cm

100 cm^3 of a centimolar solution of an acid contain 0.098 g of the acid. Find the molecular mass of the acid.

The terminal velocity of a rain drop is 30cm//s . If the viscosity of air is 1.8xx10^(-5)Nsm^(-2) .The radius of rain drop is

Find the surface area of a sphere of radius:(i) 10.5 cm (ii) 5.6 cm (iii) 14 cm

Find the surface area of a sphere of radius: 10.5 cm (ii) 5.6 cm (iii) 14 cm

Find the surface area of a sphere of radius: 10.5 cm (ii) 5.6 cm (iii) 14 cm

Find the surface area of the sphere whose radius is : (a) 7 cm (b) 3.5 cm (c ) 1 cm

A stone is dropped in a quiet lake. If the produced circular waves increase at a rate of 4 cm/sec, then find the rate of increase in its area when the redius of circular wave is 7 cm.