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Question
A mercury drop of radius 'R' is divided into 27 droplets of same size. The radius 'r' of each droplet is ______.
Options
`r=R/3`
`r=R/9`
`r=R/27`
r = 3R
MCQ
Fill in the Blanks
Solution
A mercury drop of radius 'R' is divided into 27 droplets of same size. The radius 'r' of each droplet is `underline(r=R/3)`.
Explanation:
`r=R/(n)^(1/3)=R/(27)^(1/3)=R/3`
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Measurement of Atmospheric Pressure - Mercury Barometer (Simple Barometer)
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