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Rigidity Modulus -Static Torsion

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Within the elastic limit the stress is proportional to strain. This is

a: Pascal's law Explanation

Explanation

b: Hook's law Explanation

Explanation

c: Newton's law Explanation

Explanation

d: Malus's law Explanation

Explanation

The SI unit of rigidity modulus is

a: kgM² Explanation

Explanation

b: Nm² Explanation

Explanation

c: N/m² Explanation

Explanation

d: No unit Explanation

Explanation

If the radius of the rigid rod is doubled, then the rigidity modulus,

a: decreases Explanation

Explanation

b: increases Explanation

Explanation

c: remains the same Explanation

Explanation

d: change erratically Explanation

Explanation

Which of the following is correct?

a: Young's modulus (Y) is defined as the ratio of linear stress to linear strain Explanation

Explanation

b: Rigidity modulus (n) is defined as the ratio of shear stress to shear strain Explanation

Explanation

c: Bulk modulus (K) is defined as the ratio of volume stress to volume strain Explanation

Explanation

d: All the above Explanation

Explanation

The change in shape of a regular body is due to

a: Linear strain Explanation

Explanation

b: Metallic strain Explanation

Explanation

c: Shearing strain Explanation

Explanation

d: Bulk strain Explanation

Explanation

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