Which of the following has the lowest value of Young's modulus?
Correct answer: D. Rubber
- A. Steel
- B. Glass
- C. Copper
- D. Rubber
Explanation
Rubber is a highly elastic material that can undergo significant deformation under applied forces. It has a very low value of Young's modulus, indicating its high elasticity and flexibility. Rubber can be easily compressed or stretched and returns to its original shape after the force is removed. Therefore, rubber is the correct answer.
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About Physics of Solids
Solids are compared through crystal structure, amorphous arrangement, elasticity, plastic deformation, stress, strain and Young’s modulus. Electrical behavior depends on available charge carriers and band structure, so conductors, insulators and semiconductors must be distinguished from mechanical properties such as strength, stiffness and brittleness.
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