Medium
Fill in the blanks:
$(i)$ $A$ bubble in water has .......... free surface.
$(ii)$ $A$ bubble in air has .......... free surface.
$(iii)$ $A$ rain drop has .......... free surface.
$(i)$ $A$ bubble in water has .......... free surface.
$(ii)$ $A$ bubble in air has .......... free surface.
$(iii)$ $A$ rain drop has .......... free surface.
(A) $(i)$ $A$ bubble in water has only one free surface (the inner surface is in contact with air,but the outer surface is in contact with water).
$(ii)$ $A$ bubble in air has two free surfaces (one inner surface and one outer surface,both in contact with air).
$(iii)$ $A$ rain drop has one free surface (the outer surface is in contact with air,while the inner part is liquid).
$(ii)$ $A$ bubble in air has two free surfaces (one inner surface and one outer surface,both in contact with air).
$(iii)$ $A$ rain drop has one free surface (the outer surface is in contact with air,while the inner part is liquid).
Explore More
Similar Questions
Work done in splitting a drop of water of $1 \, mm$ radius into $10^6$ droplets is (Surface tension of water $= 72 \times 10^{-3} \, J/m^2$).
MediumAIIMS 1998
View Solution$A$ drop of water of volume $0.05\, cm^3$ is pressed between two glass plates,as a consequence of which it spreads and occupies an area of $40\, cm^2$. If the surface tension of water is $70\, dyne/cm$,then the normal force required to separate out the two glass plates will be in Newton.
Medium
View SolutionIf the radius of a soap bubble is four times that of another,then the ratio of their excess pressures will be
Pressure inside two soap bubbles are $1.01$ and $1.02$ atmosphere, respectively. The ratio of their volumes is (in $ : 1$)
When $n$ identical mercury drops combine to form a single big drop,
Vedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo