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Standard XII

Physics

Strain

Two rods of d...

Question

Two rods of different materials having coefficients of thermal expansion $α_{1}, : α_{2}$ and Young's moduli $Y_{1}, Y_{2}$ respectively are fixed between two rigid massive walls. The rods are heated such that they undergo the same increase in temperature. There is no bending of the rods. If $α_{1} : α_{2} = 2 : 3,$ the thermal stresses developed in the two rods are equal provided $Y_{1} : Y_{2}$ is equal to

2:3

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1:1

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3:2

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4:9

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Solution

The correct option is A 2:3
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The correct option is A 2:3Watch the next video for the solution.

The correct option is A 2:3
Watch the next video for the solution.