\(r = 0.1\,cm = {10^{ - 3}}m\)
Surface tension of liquid,
\(S = 0.06\,N/m = 6 \times {10^{ - 2}}\,N/m\)
Density of liquid, \(\rho = {10^3}\,kg/{m^3}\)
Excess pressure inside the bubble,
\({\rho _{exe}} = 1100N{m^{ - 2}}\)
Depth of bubble below the liquid surface,
\(h=?\)
As we know,
\({\rho _{Excess}} = h\rho g + \frac{{2s}}{r}\)
\( \Rightarrow 1100 = h \times {10^3} \times 9.8 + \frac{{2 \times 6 \times {{10}^{ - 2}}}}{{{{10}^{ - 3}}}}\)
\( \Rightarrow 1100 - 9800h + 120\)
\( \Rightarrow 9800h = 1100 - 120\)
\( \Rightarrow h = \frac{{980}}{{9800}} = 0.1\,m\)
કોલમ - $\mathrm{I}$ | કોલમ - $\mathrm{II}$ |
$(a)$ હવામાં રચાતું પ્રવાહીનું ટીપું | $(i)$ $\frac{{4T}}{R}$ |
$(b)$ હવામાં રચાતાં પ્રવાહીના પરપોટા | $(ii)$ $\frac{{2T}}{R}$ |
$(iii)$ $\frac{{2R}}{T}$ |