K is the force constant of a spring. The work done is increasing its extension from I_(1) to I_(1) will be

K is the force constant of a spring. The work done is increasing its e

1.	K is the force constant of a spring. The work done is increasing its extension from I_(1) to I_(1) will be
Answer» <html><body><p>`<a href="https://interviewquestions.tuteehub.com/tag/k-527196" style="font-weight:bold;" target="_blank" title="Click to know more about K">K</a>(I_(<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>)-I_(<a href="https://interviewquestions.tuteehub.com/tag/1-256655" style="font-weight:bold;" target="_blank" title="Click to know more about 1">1</a>))`<br/>`K/2(l_(2)+l_(1))`<br/>`K(l_(2)^(2)-I_(1)^(2))`<br/>`K/2(l_(2)^(2)-l_(1)^(2))`</p><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a> :D</body></html>