The length of a metal rod at 0^(@)C is 0.5m. When it is heated, its length increases, by 2.7 mm.The final temperature of the rod is (coefficient of linear expansion of the metal =90xx10^(-6)//^(@)C)……………. .

The length of a metal rod at 0^(@)C is 0.5m. When it is heated, its le

1.	The length of a metal rod at 0^(@)C is 0.5m. When it is heated, its length increases, by 2.7 mm.The final temperature of the rod is (coefficient of linear expansion of the metal =90xx10^(-6)//^(@)C)……………. .
Answer» <html><body><p>`20^(@)C`<br/>`<a href="https://interviewquestions.tuteehub.com/tag/30-304807" style="font-weight:bold;" target="_blank" title="Click to know more about 30">30</a>^(@)C`<br/>`40^(@)C`<br/>`60^(@)C`</p>Solution :`l_(t)=l_(0)(1+alphat)` <br/> `therefore""t=(l_(t)-l_(0))/(l_(0)alpha)=(2.7xx10^(-<a href="https://interviewquestions.tuteehub.com/tag/3-301577" style="font-weight:bold;" target="_blank" title="Click to know more about 3">3</a>))/(0.5xx90xx10^(-6)), t=60^(@)`</body></html>