A rod of 1000mm and co-efficient of linear expansion alpha=10^-4 /degree is placed symmetrically between fixed walls seperated by 1001mm.The young's modulus of the rod is 10^11 N/m^2 .If the temp is increased by 20 degree/C.then the stress developed in the rod is?

Question

A rod of 1000mm  and co-efficient of linear expansion alpha=10^-4 /degree is placed symmetrically between fixed walls seperated by 1001mm.The young's modulus of the rod is 10^11 N/m^2 .If the temp is increased by 20 degree/C.then the stress developed  in the rod is?

dls · Answer

$$\LARGE Stress=Y \times strain= Y \times L \alpha \delta T$$

dls · Answer

So I got 2 * 10^8 which is wrong again \m/

dls · Answer

@experimentX @shubhamsrg @yrelhan4

dls · Answer

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