1. Tardigrade
  2. Question
  3. Physics
  4. Match the options in column I with appropriate reasons in column II . Column - I Column - II (.A.) The shape of rubber heel changes under stress (.p.) Young’s modulus of elasticity is involved (.B.) In a suspended bridge, there is a strain in the ropes by the load of the bridge (.q.) Bulk modulus of elasticity is involved (.C.) In an automobile tyre, when air is compressed, the shape of tyre changes (.r.) Modulus of rigidity is involved (.D.) A solid body is subjected to a deforming force (.s.) All the moduli of elasticity are involved

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Q. Match the options in column $I$ with appropriate reasons in column $II$ .
Column - I Column - II
$\left(\right.A\left.\right)$ The shape of rubber heel changes under stress $\left(\right.p\left.\right)$ Young’s modulus of elasticity is involved
$\left(\right.B\left.\right)$ In a suspended bridge, there is a strain in the ropes by the load of the bridge $\left(\right.q\left.\right)$ Bulk modulus of elasticity is involved
$\left(\right.C\left.\right)$ In an automobile tyre, when air is compressed, the shape of tyre changes $\left(\right.r\left.\right)$ Modulus of rigidity is involved
$\left(\right.D\left.\right)$ A solid body is subjected to a deforming force $\left(\right.s\left.\right)$ All the moduli of elasticity are involved

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Solution:

The shape of rubber heel changes under stress involves modulus of rigidity as shape change without change in volume.
A – r
The strain in the ropes of a suspended bridge involves Young’s modulus of elasticity as the extension of ropes takes place due to the load of the bridge.
B – p
In a automobile tyre, bulk modulus of elasticity is involved, as the volume if the air in the tyre changes.
C – q
A solid body when subjected to a deforming force, all the moduli of elasticity are involved.