A rod of original length L_(1) changes its temperature from T_(2) to T_(2). If alpha is temperature coefficient of linear expansion and L_(2) is length of temperature T_(2). Choose the correct options(s).

A rod of original length L_(1) changes its temperature from T_(2) to T

1.	A rod of original length L_(1) changes its temperature from T_(2) to T_(2). If alpha is temperature coefficient of linear expansion and L_(2) is length of temperature T_(2). Choose the correct options(s).
Answer» <html><body><p>`L_(2) = L_(<a href="https://interviewquestions.tuteehub.com/tag/1-256655" style="font-weight:bold;" target="_blank" title="Click to know more about 1">1</a>) [1+<a href="https://interviewquestions.tuteehub.com/tag/alpha-858274" style="font-weight:bold;" target="_blank" title="Click to know more about ALPHA">ALPHA</a> (T_(2) - T_(1) ) ]`, where `T_(2) - T_(1) and alpha` are not large<br/>`L_(2) = L_(1) e^( alpha (T_(2) -T_(1) ) )`, where `alpha` is <a href="https://interviewquestions.tuteehub.com/tag/constant-930172" style="font-weight:bold;" target="_blank" title="Click to know more about CONSTANT">CONSTANT</a><br/>`L_(2) = L_(1) e^( int_(T_1)^(T_2)alpha d T) `, where `alpha` is a function of temperature<br/>Formula in option (a) is valid in all conditions</p>Answer :A::B::C</body></html>