An iron bar of length L cross sectional A and young modulus Y is pulled by a force from ends so as to produce an elongation l . Which of the following statements is correct ?

An iron bar of length L cross sectional A and young modulus Y is pulle

1.	An iron bar of length L cross sectional A and young modulus Y is pulled by a force from ends so as to produce an elongation l . Which of the following statements is correct ?
Answer» `lprop(l/L)` `lpropA` `lprop(1/A)` `lpropY` ANSWER :C