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A rod of length L at room temperature and uniform area of cross section.  A, is made of a metal having coefficient of linear expansion /0C.  It is observed that an external compressive force f, is applied on each of its ends, prevents any change in the length of the rod.  When its temperature rises by T K, young’s modulus, Y for this metal is:

a.

 

b.

 

c.

 

d.

 



Question ID - 50043 | SaraNextGen Top Answer

A rod of length L at room temperature and uniform area of cross section.  A, is made of a metal having coefficient of linear expansion /0C.  It is observed that an external compressive force f, is applied on each of its ends, prevents any change in the length of the rod.  When its temperature rises by T K, young’s modulus, Y for this metal is:

a.

 

b.

 

c.

 

d.

 

1 Answer
127 votes
Answer Key / Explanation : (c) -

Young’s modulus=

                                 =

                                  =

127 votes


127