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Question
which of the following materials has maximum elasticity?
Steel
Rubber
Copper
Sponge
ANSWER : 1
Descrption
<p style="margin-left:0px;">Out of the given materials, <strong>Steel</strong> has the maximum elasticity.</p><p style="margin-left:0px;">Here's why:</p><ul><li><strong>Elasticity:</strong> This is the property of a material to regain its original shape after deformation when the applied stress is removed.</li><li><strong>Stiffness:</strong> A stiffer material generally has higher elasticity. It requires a greater force to deform the material, and it tends to return to its original shape more completely after the stress is released.</li><li><strong>Material comparison:</strong><ul><li><strong>Steel:</strong> Steel is a strong and stiff material with a high elastic modulus. This means it can withstand a large amount of stress before deforming, and it will spring back to its original shape effectively.</li><li><strong>Rubber:</strong> Rubber is known for its elasticity, but it's a less stiff material compared to steel. It can be easily stretched or deformed, but it may not completely recover its original shape after significant deformation.</li><li><strong>Copper:</strong> Copper is a ductile metal that can be bent or shaped without breaking. However, it doesn't have the same level of elasticity as steel. Once deformed beyond a certain point, it may not fully return to its original shape.</li><li><strong>Sponge:</strong> Sponges have a porous structure and may exhibit some degree of shape recovery after compression. However, they are not very elastic compared to steel. They can deform permanently if squeezed too hard.</li></ul></li></ul>
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