Q. Which of the following is true about the shear modulus of a material? (2023)
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A.
It measures the material's response to shear stress
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B.
It is always greater than Young's modulus
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C.
It is independent of temperature
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D.
It is the same as bulk modulus
Solution
Shear modulus (G) measures the material's response to shear stress, indicating how it deforms under such stress.
Correct Answer: A — It measures the material's response to shear stress
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Q. Which of the following materials has the highest tensile strength? (2020)
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A.
Steel
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B.
Aluminum
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C.
Copper
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D.
Rubber
Solution
Steel has the highest tensile strength among the given materials.
Correct Answer: A — Steel
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Q. Which property of a material describes its ability to return to its original shape after deformation? (2023)
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A.
Plasticity
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B.
Elasticity
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C.
Ductility
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D.
Brittleness
Solution
Elasticity is the property that allows a material to return to its original shape after deformation.
Correct Answer: B — Elasticity
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