A water drop of radius 1 ~cm is broken into 729 equal droplets. If surface tension of water is 75 dyne/ cm, then the gain in surface energy upto first decimal place will be: (Given π=3.14)

Properties of Solids and Liquids: JEE Main 2022 Physics question

JEE Main 2022 · 26 Jul, Morning shift · Q8020

JEE Main 202226 Jul, Morning shiftPhysicsEasyProperties of Solids and Liquids184× since 2002

A water drop of radius

1 \mathrm{~cm}

is broken into 729 equal droplets. If surface tension of water is 75 dyne/

\mathrm{cm}

, then the gain in surface energy upto first decimal place will be : (Given

\pi=3.14

)

JEE Main 2022 Properties of Solids and Liquids Question with Solution (26 Jul Morning shift, Q8020) | JEE Arc

JEE Main 2022 · 26 Jul, Morning shift · Q8020

JEE Main 202226 Jul, Morning shiftPhysicsEasyProperties of Solids and Liquids184× since 2002

A water drop of radius

1 \mathrm{~cm}

is broken into 729 equal droplets. If surface tension of water is 75 dyne/

\mathrm{cm}

, then the gain in surface energy upto first decimal place will be : (Given

\pi=3.14

)