Young's Modulus(Bulk Modulus, Modulus of Rigidity) NEET Questions

Physics - Properties of Solids and Liquids

Young's Modulus(Bulk Modulus, Modulus of Rigidity) MCQ Questions


13.
What happens to the bulk modulus of a material when its compressibility increases?
A.
Becomes infinite
B.
Increases
C.
Remains the same
D.
Decreases
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ANSWER :
D. Decreases
14.
If a material has a high Young’s modulus, it will:
A.
Deform significantly under tensile stress
B.
Deform very little under tensile stress
C.
Not deform under any stress
D.
Break easily
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ANSWER :
B. Deform very little under tensile stress
15.
The modulus of rigidity is defined as the ratio of:
A.
Tensile stress to tensile strain
B.
Shear stress to shear strain
C.
Volumetric stress to volumetric strain
D.
Elastic energy to volume
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ANSWER :
B. Shear stress to shear strain
16.
What is the SI unit of Bulk modulus?
A.
Newton (N)
B.
Pascal (Pa)
C.
Joule (J)
D.
Watt (W)
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ANSWER :
B. Pascal (Pa)
17.
Which modulus is associated with the change in shape of a material under force?
A.
Bulk modulus
B.
Modulus of rigidity
C.
Young’s modulus
D.
Modulus of elasticity
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ANSWER :
B. Modulus of rigidity
18.
The Young’s modulus of a wire is defined as:
A.
The ratio of shear stress to shear strain
B.
The ratio of tensile stress to tensile strain
C.
The ratio of bulk stress to bulk strain
D.
The ratio of force to displacement
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ANSWER :
B. The ratio of tensile stress to tensile strain