Question 
Enemp cleme woll be the mete dom agenout is morur in tam supper mar
[
begin{aligned}
=& d s=hleft(4 pi r^{2}-4 pi k^{2}right)
varepsilon &=T d s
&=T_{n} x+sigmaleft(r^{2}-R^{2}right)
&=T times 45left(h x^{2}-k^{2}right)
end{aligned}
]
But the totel wolure remaun compert
[
begin{array}{c}
h times 4 y / r r^{3}=4 / 7 pi^{2}
r=R /(n)^{1 / 3}
varepsilon=4 pi k^{2} Tleft(n^{1 / 3}-1right)
end{array}
] 
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(d) 4880727 a. 127W (0) 64tr2T Calculate the energy spent in spraying a drop of mercury of r radius into N droplets all of same size. If the surface tension of mercury is T. T (N1/3 – 1) (a) 41R²T (N1/3 – 1) (c) 48R²T (N2/3 – 1) (d) none of these 121. An annular disc of radius rı = 10 cm and r2 = 5 cm is om ourfaceFind the surface tension force
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