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Heat and Thermodynamics question

2013 · Shift 0 · Q69

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JEE Main
Physics
Heat and Thermodynamics
2013 · Shift 0 · Q69

Heat and Thermodynamics question

2013 · Shift 0 · Q69

JEE MainPhysicsHeat and ThermodynamicsMCQ+4 / −1

Assume that a drop of liquid evaporates by decreases in its surface energy, so that its temperature remains unchanged. What should be the minimum radius of the drop for this to be possible ? The surface tension is

T,

density of liquid is

\rho

and

L

is its latent heat of vaporization.

A
$\rho L/T$
B
$\sqrt {T/\rho L}$
C
$T/\rho L$
D
$2T/\rho L$

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