Multiple choice

Which among the following is the most elastic?

  1. Plastic

  2. Rubber

  3. Copper

  4. Steel
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Steel is the most elastic material among the options because it has the highest Young's modulus (approximately 200 GPa), meaning it requires the most stress to produce a given strain. Elasticity is the ability to return to original shape after deformation - steel deforms very little under load. Rubber is highly flexible (extensible) but not elastic in this technical sense.

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