1. The shear modulus of elasticity G is




... Answer is C. F/Aθ
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2. The temperature at which material becomes a superconductor is called




... Answer is B. critical temperature
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3. Which of the following is not a ferromagnetic material?




... Answer is D. Barium
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4. The ratio of stress to strain is




... Answer is C. Constant
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5.  A wire is stretched to double its length. Its strain is




... Answer is B. 1
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6. Which modulus of elasticity is involved in compressing a rod to decrease its length?




... Answer is A. Young's modulus
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7. A wire is stretched to double its length. The strain is: :




... Answer is B. 1
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8. If both the length and radius of the rod are doubled, then the modulus of elasticity will




... Answer is C. remains the same
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9. Curie temperature is a point where




... Answer is C. ferromagnetism changes to paramagnetism
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10. A cable breaks if stretched by more than 2 mm. It is cut into two equal parts. How much either part can be stretched with breaking.




... Answer is B. 1 mm
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