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A liquid drop of diameter D breaks up in...

A liquid drop of diameter D breaks up into 27 drops. Find the resultant change in energy.

A

`2piTD^(2)`

B

`piTD^(2)`

C

`(piTD^(2))/(2)`

D

`4piTD^(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
`W=Txx4piR^(2)(n^(1//3)-1)`
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Knowledge Check

  • A liquid drop of diamtere D breaks into 27 tiny drops. The resultant change in energy is

    A
    `2piTD^(2)`
    B
    `4piTD^(2)`
    C
    `piTD^(2)`
    D
    none of these

  • A drop of liquid of diameter 2.8 mm breaks up into 125 identical drops. The change in energy is nearly (S.T. of liquid =75 dynes / cm )

    A
    Zero
    B
    19 erg
    C
    46 erg
    D
    74 erg

  • A drop of liquid of diameter 2.8 mm breaks up into 125 identical droplests . The change in energy is nearly (S.T . Of liquid =75 dyne/cm)

    A
    Zero
    B
    19 erg
    C
    46 erg
    D
    74 erg