Class 11PhysicsMechanical Properties of SolidsBasic of Elasticity, Stress and Strain relationship and Graphical analysis
MediumCheck if the following statements are True or False:
$(a)$ Shear modulus of liquid is infinite.
$(b)$ For a given load (external force),steel is more deformed than rubber.
$(c)$ When a solid body is beaten,rolled,heated,or cooled,its elastic properties are affected.
$(a)$ Shear modulus of liquid is infinite.
$(b)$ For a given load (external force),steel is more deformed than rubber.
$(c)$ When a solid body is beaten,rolled,heated,or cooled,its elastic properties are affected.
(A) False. The shear modulus of a liquid is zero because liquids cannot sustain shear stress.
$(b)$ False. Rubber has a lower Young's modulus than steel,meaning for a given load,rubber undergoes more deformation than steel.
$(c)$ True. Mechanical processes like beating or rolling,and thermal processes like heating or cooling,can alter the internal structure of a material,thereby affecting its elastic properties.
$(b)$ False. Rubber has a lower Young's modulus than steel,meaning for a given load,rubber undergoes more deformation than steel.
$(c)$ True. Mechanical processes like beating or rolling,and thermal processes like heating or cooling,can alter the internal structure of a material,thereby affecting its elastic properties.
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