JEE Advanced 2017 Paper 1

Section: Physics

Question : 12 of 54

Marks: +1, -0

A drop of liquid of radius R=10−2m having surface tension S=

0.1

4π

Nm−1 divides itself into K identical drops. In this process the total change in the surface energy ΔU=10−3J.If K=10α then the value of α is __________.

[JEE Adv 2017 P1]

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