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


1.
Young’s modulus (Y) is defined as the ratio of:
A.
Bulk stress to bulk strain
B.
Shear stress to shear strain
C.
Tensile stress to tensile strain
D.
Elastic potential energy to volume
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ANSWER :
C. Tensile stress to tensile strain
2.
What is the SI unit of Young’s modulus?
A.
Joule (J)
B.
Newton (N)
C.
Pascal (Pa)
D.
Watt (W)
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ANSWER :
C. Pascal (Pa)
3.
Which of the following materials typically has the highest Young’s modulus?
A.
Plastic
B.
Rubber
C.
Steel
D.
Wood
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ANSWER :
C. Steel
4.
The bulk modulus (K) 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 volumetric stress to volumetric strain
D.
The energy stored per unit volume
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ANSWER :
C. The ratio of volumetric stress to volumetric strain
5.
The modulus of rigidity (G) is also known as:
A.
Elastic modulus
B.
Young’s modulus
C.
Bulk modulus
D.
Shear modulus
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ANSWER :
D. Shear modulus
6.
Which of the following correctly defines Bulk modulus (K)?
A.
The ratio of shear stress to shear strain
B.
The ratio of tensile stress to tensile strain
C.
The ratio of change in pressure to the fractional change in volume
D.
The ratio of force to displacement
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ANSWER :
C. The ratio of change in pressure to the fractional change in volume