Multiple choice

Which of the following is most elastic?

  1. Rubber

  2. Wet clay

  3. Steel

  4. Plastic
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Steel is the most elastic material among the options. Elasticity is defined as the ability to return to original shape after deformation. While rubber stretches more easily, steel has a higher elastic modulus and can undergo larger stress while still returning to its original shape. Wet clay deforms plastically (permanently), and plastic shows viscoelastic behavior with hysteresis.

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