A big drop is formed by combining $27$ small droplets of water. What will be the change in the surface energy?
Then the ratio of the surface energy of big drop to the surface energy of $27$ small droplets is p:q. Find p+q

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Solution

Surface energy decreases, ratio $1 : 3$ . hence p=1 and q=3

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A big drop is formed by combining 27 small droplets of water. What will be the change in the surface energy?Then the ratio of the surface energy of big drop to the surface energy of 27 small droplets is p:q. Find p+q

Surface energy decreases, ratio 1:3. hence p=1 and q=3

A big drop is formed by combining $27$ small droplets of water. What will be the change in the surface energy?
Then the ratio of the surface energy of big drop to the surface energy of $27$ small droplets is p:q. Find p+q

Surface energy decreases, ratio $1 : 3$ . hence p=1 and q=3