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Home » Read the following two statements below carefully and state, with reasons, if it is true or false.(a) The Young’s modulus of rubber is greater than that of steel;(b) The stretching of a coil is determined by its shear modulus.
Read the following two statements below carefully and state, with reasons, if it is true or false.(a) The Young’s modulus of rubber is greater than that of steel;(b) The stretching of a coil is determined by its shear modulus.
CBSE | Class 11 | Mechanical Properties of Solids | NCERT | Physics
Read the following two statements below carefully and state, with reasons, if it is true or false.(a) The Young’s modulus of rubber is greater than that of steel;(b) The stretching of a coil is determined by its shear modulus.

(a) True. Stretching a coil does not affect its length; instead, it changes its shape, which requires shear modulus.

(b) False. This is because rubber has more strain than steel for the same amount of stress. Steel has a higher Young Modulus because it is the inverse of strain.

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