Hooke's Law (Elastic Behaviour and Stress-Strain Relationship) NEET Questions

Physics - Properties of Solids and Liquids

Hooke's Law (Elastic Behaviour and Stress-Strain Relationship) MCQ Questions


13.
The area under the stress-strain curve up to the elastic limit represents:
A.
Strain energy
B.
Plastic deformation
C.
Elastic potential energy
D.
Breaking stress
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ANSWER :
C. Elastic potential energy
14.
The material with the highest elastic modulus among the following is:
A.
Steel
B.
Rubber
C.
Copper
D.
Wood
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ANSWER :
A. Steel
15.
In the stress-strain curve, the elastic limit corresponds to:
A.
The start of plastic deformation
B.
The end of the linear region
C.
The breaking point
D.
The maximum stress
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ANSWER :
B. The end of the linear region
16.
What is the stress experienced by a material when the deforming force is removed and it regains its original shape?
A.
Plastic stress
B.
Elastic stress
C.
Permanent stress
D.
Yield stress
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ANSWER :
B. Elastic stress
17.
If the length of a wire is doubled while keeping its material and cross-sectional area the same, its Young’s modulus:
A.
Doubles
B.
Remains the same
C.
Halves
D.
Becomes four times
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ANSWER :
B. Remains the same
18.
The term used to describe the ability of a material to withstand plastic deformation without breaking is:
A.
Ductility
B.
Elasticity
C.
Brittleness
D.
Malleability
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ANSWER :
A. Ductility