Mechanical Properties of Solids MCQ Questions Class 11 Physics Chapter 9
NCERT MCQ Questions for Class 11 Physics Chapter 9 Mechanical Properties of Solids. Mechanical Properties of Solids MCQ Questions with Answers from Class 11 Physics.
Mechanical Properties of Solids MCQ Questions Class 11 Physics Chapter 9
Mechanical Properties of Solids Multiple Choice Questions with Answers Class 11 Physics Chapter 9 PDF is available.
1) The property of the body by virtue of which it regains its original shape and size when we remove the applied force is called as
a) Plasticity
b) Elasticity
c) Both a and b
d) None
Ans: b) elasticity
2) The deformation caused due to elasticity is called as
a) Plastic deformation
b) Elastic deformation
c) Both a and b
d) None
Ans: b) elastic deformation
3) The force applied due to which the object can’t regain original shape and size, and get permanently deformed is called as
a) Plasticity
b) Elasticity
c) Both a and b
d) None
Ans: a) plasticity
4) The deformation caused in a object due to plasticity is called as
a) Elastic deformation
b) Plastic deformation
c) Both a and b
d) None
Ans: b) plastic deformation
5) The restoring force per unit area is called as
a) Strain
b) Stress
c) Force
d) None
Ans: b) stress
6) The magnitude of the stress is given by
a) F/ W
b) W/F
c) F/ A
d) None
Ans: c) F/ A
7) The SI unit of stress is
a) N/m2
b) Pascal
c) Both a and b
d) None
Ans: c) both a and b
8) The dimensional formula for stress is
a) [M L T]
b) [M L-1 T-2]
c) [M L-1 T]
d) [ M L-2 T-1]
Ans: b) [M L-1 T-2]
9) If the cylinder is stretched by two equal forces applied normal to its area, in this case the stress is called as
a) Longitudinal stress
b) Tensile stress
c) Compressive stress
d) None
Ans: b) tensile stress
10) If the cylinder is compressed under the action of applied force then the stress is called as
a) Tensile stress
b) Compressive stress
c) Longitudinal stress
d) None
Ans: b) compressive stress
11) The change in length to the original length of the body is called as
a) Longitudinal strain
b) Shearing strain
c) Volume strain
d) None
Ans: a) longitudinal strain
12) The restoring force per unit area developed due to the applied tangential force is called as
a) Tangential stress
b) Longitudinal stress
c) Shearing stress
d) Both a and c
Ans: d) both a and c
13) The ratio of relative displacement of the faces to the length of the cylinder is called as
a) Longitudinal strain
b) Shearing strain
c) Shearing stress
d) Tensile stress
Ans: b) shearing strain
14) The ratio of change in volume to the original volume is called as
a) Volume stress
b) Volume strain
c) Tensile stress
d) Tensile strain
Ans: b) volume strain
15) For small deformation, stress is proportional to strain is called as
a) Newton’s law
b) Elastic law
c) Hooke’s law
d) None
Ans: c) Hooke’s law
16) Hooke’s law is an
a) Universal law
b) Inverse square law
c) Attractive
d) Empirical law
Ans: d) empirical law
17) The stress corresponding to yield point is called as
a) Yield stress
b) Yield strain
c) Yield strength
d) None
Ans: c) yield strength
18) The substances like tissue of aorta, rubber which can be stretched to cause large strain are called
a) Plastomers
b) Elastomers
c) Both a and b
d) None
Ans: b) elastomers
19) The ratio of stress and strain is called as
a) Young’s modulus
b) Modulus of elasticity
c) Elastic constant
d) None
Ans: b) modulus of elasticity
- In case you have missed:- Previous Chapter MCQ Questions
20) The ratio of tensile stress to longitudinal strain is called as
a) Young’s modulus
b) Modulus of elasticity
c) Elastic constant
d) None
Ans: a) Young’s modulus
21) The SI unit of Young’s modulus is
a) N/m2
b) Pascal
c) Both a and b
d) None
Ans: c) both a and b
22) The value of Young’s modulus is maximum for
a) Iron
b) Copper
c) Steel
d) Aluminium
Ans: c) steel
23) The ratio of shearing stress to corresponding shearing strain is called as
a) Modulus of elasticity
b) Young’s modulus
c) Shear modulus
d) None
Ans: c) shear modulus
24) The SI unit of shear modulus is
a) N/m2
b) Pascal
c) Both a and b
d) None
Ans: c) both a and b
25) For most of the materials shear modulus is
a) Y/2
b) Y/3
c) Y/5
d) Y/8
Ans: b) Y/3
26) The shear modulus for steel in the order of 109 is
a) 84N/m2
b) 150N/m2
c) 10N/m2
d) None
Ans: a) 84 N/m2
27) Shear modulus is maximum for
a) Steel
b) Iron
c) Tungsten
d) Wood
Ans: c) Tungsten
28) The ratio of hydraulic stress to corresponding hydraulic strain is called as
a) Shear modulus
b) Young modulus
c) Bulk modulus
d) None
Ans: c) bulk modulus
29) The SI unit of bulk modulus is
a) N/m2
b) Pascal
c) Both a and b
d) None
Ans: c) both a and b
30) The reciprocal of bulk modulus is called as
a) Reversability
b) Elasticity
c) Plasticity
d) Compressibility
Ans: d) compressibility
31) Bulk modulus is maximum in
a) Solids
b) Liquids
c) Gases
d) Fluids
Ans: a) solids
32) The compressibility is maximum in
a) Solids
b) Liquids
c) Gases
d) None
Ans: c) gases
33) The station perpendicular to the applied force is called
a) Tensile strain
b) Longitudinal strain
c) Lateral strain
d) None
Ans: c) lateral strain
34) In case of stretched wire, the ratio of lateral strain to longitudinal strain is called as
a) Bulk modulus
b) Shear modulus
c) Young’s modulus
d) Poisson’s ratio
Ans: d) Poisson’s ratio
35) The elastic potential energy stored in the wire is given by
a) ½* stress*strain
b) ½* stress*strain*volume of the wire
c) ½*stress/ strain
d) None
Ans: b) ½* stress*strain*volume of the wire
36) Hooke’s law is valid only in
a) Linear part of the stress-strain curve
b) Non linear part of the stress strain curve
c) Both a and b
d) None
Ans: a) linear part of the stress – strain curve
37) The Young’s modulus and shear modulus are limited to only
a) Solids
b) Liquids
c) Gases
d) Both a and b
Ans: a) solids
38) ______ have larger value of Young’s modulus than alloys and elastomers.
a) Solids
b) Liquids
c) Gases
d) Metals
Ans: d) metals
- In case you have missed:- Next Chapter MCQ Questions