JEE Main Physics question
An iron bar of length , cross-section and Young's modulus is pulled by a force from both ends so as to produce an elongation . Which of the following statements is correct?
Answer: (B)
Solution
. For a fixed and , .
An iron bar of length , cross-section and Young's modulus is pulled by a force from both ends so as to produce an elongation . Which of the following statements is correct?
. For a fixed and , .