Properties of Solids and Liquids: JEE Main 2023 Physics question

JEE Main 2023 · 15 Apr, Morning shift · Q7960

JEE Main 202315 Apr, Morning shiftPhysicsHardProperties of Solids and Liquids184× since 2002

A wire of length '

L

' and radius '

r

' is clamped rigidly at one end. When the other end of the wire is pulled by a force

f

, its length increases by '

l

'. Another wire of same material of length '

2 \mathrm{~L}

' and radius '

2 r

' is pulled by a force '

2 f

'. Then the increase in its length will be :

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JEE Main 2023 Properties of Solids and Liquids Question with Solution (15 Apr Morning shift, Q7960) | JEE Arc

JEE Main 2023 · 15 Apr, Morning shift · Q7960

JEE Main 202315 Apr, Morning shiftPhysicsHardProperties of Solids and Liquids184× since 2002

A wire of length '

L

' and radius '

r

' is clamped rigidly at one end. When the other end of the wire is pulled by a force

f

, its length increases by '

l

'. Another wire of same material of length '

2 \mathrm{~L}

' and radius '

2 r

' is pulled by a force '

2 f

'. Then the increase in its length will be :