Q. 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 the same material of length ‘2L’ and radius ‘2r’ is pulled by a force ‘2f’. Then the
increase in its length will be : (JEE-2023)
Aditya Bhatt Answered question 27 January 2024