20Elasticity Hookes Law Young ModulusEasy1 markWhat is meant by elastic deformation of a wire under tension?Adeformation for which the elastic potential energy is proportional to the extensionBdeformation for which the extension is proportional to the tensile forceCdeformation for which the extension remains constant as the tensile force is removedDdeformation for which the extension returns to zero when the tensile force is removedGrade answerSolutionGrading criteria