Solved papers for JEE Main & Advanced AIEEE Paper (Held On 11 May 2011)

done AIEEE Paper (Held On 11 May 2011) Total Questions - 2

• question_answer1) A metal rod of Young's modulus Y and coefficient of thermal expansion \[\alpha \] is held at its two ends such that its length remains invariant. If its temperature is raised by \[t{}^\circ C\], the linear stress developed in its is :     AIEEE  Solved  Paper (Held On 11 May  2011)
  A)
  \[\frac{Y}{\alpha t}\]
  done clear
  B)
  \[Y\alpha t\]
  done clear
  C)
  \[\frac{1}{(Y\alpha t)}\]
  done clear
  D)
  \[\frac{\alpha t}{Y}\]
  done clear
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• question_answer2) An aluminium sphere of 20 cm diameter is heated from \[0{}^\circ C\] to \[100{}^\circ C\]. Its volume changes by (given that coefficient of linear expansion for aluminium \[{{\alpha }_{Al}}=23\times {{10}^{-6}}{{/}^{o}}C\])     AIEEE  Solved  Paper (Held On 11 May  2011)
  A)
   2.89cc
  done clear
  B)
   9.28cc
  done clear
  C)
   49.8 cc
  done clear
  D)
   28.9 cc
  done clear
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