Adaptive Practice
Deformation
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Easy
What is deformation in the context of physics?
Easy
Which of the following is an example of elastic deformation?
Medium
Young's modulus is a measure of which property of a material?
Medium
Which formula correctly represents Young’s modulus (Y)?
Hard
A steel wire of length 2 m and cross-sectional area 1 mm² is stretched by a force of 100 N. If Young’s modulus for steel is 2 × 10¹¹ Pa, what is the extension produced?
Medium
Which of the following materials is most likely to show plastic deformation before breaking?
Medium
In which region of a stress-strain graph does permanent deformation occur?
Easy
What is the unit of strain?
Easy
An Indian railway track expands during summer due to heat. This is an example of which type of deformation?
Easy
If a wire obeys Hooke’s law, which of the following statements is true?