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If a million tiny droplets of water of t...

If a million tiny droplets of water of the same radius coalesce into one larger drop, the ration of the surface energy of the large drop to the total surface energy of all the droplets will be

A

`1 : 10`

B

`1 : 10^(2)`

C

`1 : 10^(4)`

D

`1 : 10^(6)`

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • Two drops of equal radius coalesce to form a bigger drop. What is ratio of surface energy of bigger drop to smaller one?

    A
    `2^(1//2):1`
    B
    `1:1`
    C
    `2^(2//3):1`
    D
    None of these

  • Eight droplets of water each of radius 0.5 mm when coalesce into single drop , then the change in surface energy will be ,

    A
    `4pi T xx 10^(-5)` J
    B
    ` 4 pi T xx 10^(7)` J
    C
    ` 4pi T xx 10^(-6)` J
    D
    ` 4 pi T xx 10^(-8)` J

  • One thousand small water drops of equal radii combine to form a big drop. The ratio of final surface energy to the total initial surface energy is

    A
    `1000:1`
    B
    `1:1000`
    C
    `10:1`
    D
    `1:10`

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