- Amal Augustine
- December 30, 2025
Crack Stress Strain Curve MCQs for NEET, JEE & CUET with Best and High-Impact Practice
Stress Strain Curve MCQs play a crucial role in understanding the mechanical behavior of materials when subjected to external forces. The stress strain curve mcqs provides a graphical representation of how solids deform under increasing load, highlighting key regions such as the elastic limit, yield point, plastic region, and breaking point. These stress strain curve MCQs test both conceptual clarity and numerical problem-solving skills related to elasticity, plasticity, Young’s modulus, and energy storage in materials. By practicing stress strain curve mcqs–based multiple-choice questions, aspirants learn to interpret graphs accurately, apply Hooke’s law within elastic limits, and distinguish between ductile and brittle materials—skills that are essential for competitive exams like JEE, NEET, and physics board examinations.
These stress strain curve mcqs questions test how materials respond to stress, helping aspirants identify key regions of the stress–strain graph such as the elastic limit, yield point, plastic region, and breaking point. By analyzing these stress strain curve mcqs, learners distinguish between ductile and brittle materials, understand elastic and plastic deformation, and apply Hooke’s law within the proportional limit.Regular practice of these stress strain curve MCQs improves graphical interpretation skills and numerical accuracy, making them highly valuable for competitive exams like JEE, NEET, and board examinations, where quick reasoning and conceptual precision are essential.
1. The Mechanical Properties of Solids MCQs focus on understanding how solid materials respond to external forces in terms of stress, strain, elasticity, plasticity, and energy storage.
What is the correct answer?
A. 2 L
B. 1.5 L
C. 3 L
D. 1.25 L
Answer: A
2. The bulk modulus for an incompressible liquid is
A. Infinity
B. Between 0 and 1
C. Zero
D. Unity
Answer: A
3. The TRUE statement is
A. Young’s modulus of a wire depends on its length
B. The unit of Young’s modulus is Nm⁻¹
C. Dimensional formula of stress is same as that of force
D. Compressibility is the reciprocal of bulk modulus
Answer: D
4. When a spiral is stretched by suspending a load with it, the strain produced is called
A. Volume strain
B. Shearing strain
C. Transverse strain
D. Longitudinal strain
Answer: B
5. What pressure should be applied to a lead block to reduce its volume by 10%?
(Bulk modulus of lead = 6 × 10⁹ N/m²)
A. 0.6 × 10⁸ N/m²
B. 6 × 10⁸ N/m²
C. 0.6 × 10⁸ dyne/cm²
D. 6 × 10⁸ dyne/cm²
Answer: B
6. With rise in temperature, Young’s modulus of elasticity
A. Decreases
B. Increases
C. Changes erratically
D. Remains unchanged
Answer: A
7. If a pressure of 8 × 10⁸ N/m² is applied to a lead block and its volume reduces by 20%, the bulk modulus is
A. 4 × 10⁷ N/m²
B. 4 × 10⁸ N/m²
C. 4 × 10⁹ N/m²
D. 4 × 10¹⁰ N/m²
Answer: C
8. Young’s modulus relates stress with
A. Fractional change in volume
B. Fractional change in length
C. Fractional change in area
D. Fractional change in mass
Answer: B
9. Which statement is incorrect?
A. Bulk modulus for solids is larger than liquids
B. Gases are least compressible
C. Solids are incompressible due to strong atomic bonding
D. Reciprocal of bulk modulus is compressibility
Answer: B
10. If length and radius of a wire are reduced to half, Young’s modulus becomes
A. Y/2
B. Y
C. 2Y
D. 4Y
Answer: B
11. Interatomic distance = 3 × 10⁻¹⁰ m, force constant = 3.6 × 10⁻⁹ N Å⁻¹.
Young’s modulus is
A. 1.2 × 10¹¹ N/m²
B. 4.2 × 10¹¹ N/m²
C. 1.08 × 10⁹ N/m²
D. 2.4 × 10¹⁰ N/m²
Answer: A
12. Three types of expansion in solids are
A. Linear, superficial, cubical
B. Volume, real, linear
C. Apparent, real, volume
D. Linear, pressure, superficial
Answer: A
13. Density of a liquid increases by 0.01%. Pressure applied is
A. k / 10000
B. k / 1000
C. 1000k
D. 0.01k
Answer: A
14. Ratio of hydraulic stress to strain is called
A. Compressibility
B. Bulk modulus
C. Young’s modulus
D. Rigidity modulus
Answer: B
15. Speed of sound in liquid (ρ = 8000 kg/m³, K = 2×10⁹ N/m²) is
A. 200 m/s
B. 250 m/s
C. 350 m/s
D. 400 m/s
Answer: D
16. Volume decrease of 0.2% at depth 400 m gives bulk modulus
A. 9.8 × 10⁹ N/m²
B. 9.8 × 10¹⁰ N/m²
C. 1.96 × 10⁹ N/m²
D. 1.96 × 10¹⁰ N/m²
Answer: C
17. Modulus of elasticity is dimensionally same as
A. Strain
B. Force
C. Stress
D. Surface tension
Answer: C
18. If length and radius are unchanged, Young’s modulus is
A. 6L
B. 6r
C. Y
D. 3Y
Answer: C
19. Elastic energy stored in wire is proportional to
A. Y × stress × strain × volume
B. Stress² × volume
C. Stress × strain × volume
D. Y × stress² × volume
Answer: B
20. Thinnest wire corresponds to line
A. OC
B. OD
C. OA
D. OB
Answer: C
21. Poisson ratio = 0.4, longitudinal strain = 0.025%. Diameter decrease (%) is
A. 0.01
B. 0.02
C. 0.03
D. 0.04
Answer: A
22. Volume change of copper cube is
A. −43.2 m³
B. −43.2 mm³
C. −43.2 cm³
D. −432 mm³
Answer: B
23. If α = 0.00009, volume expansion coefficient is
A. 0.0009
B. 0.00018
C. 0.00027
D. 0.0003
Answer: C
24. Ratio of elongations =
A. 1 : 1
B. 1 : 2
C. 1 : 4
D. 1 : 8
Answer: D
25. Elongation in steel rod (mm) is
A. 3.18
B. 6.36
C. 5.18
D. 1.59
Answer: D
26. Maximum rigidity modulus is for
A. Iron
B. Copper
C. Steel
D. Tungsten
Answer: D
27. Bulk strain for 2% side reduction is
A. 0.02
B. 0.03
C. 0.04
D. 0.06
Answer: D
28. Shear modulus is zero for
A. Solids
B. Liquids
C. Gases
D. Liquids and gases
Answer: D
29. Longitudinal strain is possible in
A. Liquids
B. Gases
C. Solids
D. All
Answer: C
30. Poisson’s ratio must satisfy
A. −1 < σ < 0.5
B. −0.5 < σ < 1
C. 0.5 < σ < 1
D. −1 < σ < 0.5
Answer: A
31. Energy stored in wire (J) is
A. 7.5
B. 0.05
C. 5
D. 0.075
Answer: D
32. Elastic energy stored =
A. 0.23 J
B. 10 J
C. 20 J
D. 0.1 J
Answer: D
33. Energy per unit volume =
A. 2S²/Y
B. S/2Y
C. 2Y/S²
D. S²/2Y
Answer: D
34. Proof resilience is related to
A. Potential energy stored
B. Beam stiffness
C. Elastic fatigue
D. Elastic relaxation
Answer: A
Conclusion on Stress Strain Curve MCQs:
Practicing Stress Strain Curve MCQs is essential for mastering the fundamentals of elasticity and deformation in solids. These stress strain curve mcqs questions strengthen a aspirants ability to analyze stress–strain graphs, identify material properties, and connect theoretical concepts with real-world applications such as wire stretching, structural safety, and material selection. Regular practice of stress strain curve mcqs not only improves speed and accuracy in numerical problems but also builds confidence in tackling graph-based and conceptual questions commonly asked in exams. A strong command over stress strain curve concepts ultimately helps aspirants score better and develop a deeper understanding of how materials respond under mechanical stress.
Amal Augustine is the founder of ExQuizMe, a dynamic learning and quiz platform built to make education engaging, competitive, and fun. A passionate learner and an academic achiever, Amal completed his schooling at Government HSS Manjapra, graduating with 92.5% in Computer Science. He later earned his degree from St. Stephen’s College, University of Delhi, one of India’s most prestigious arts and science institutions.
Currently, Amal is pursuing his Master’s degree at National Sun Yat-sen University, Taiwan, where he continues to deepen his interest in research and technology. Throughout his school and college years, he won 50+ national-level interschool and collegiate quiz competitions, was
Beyond academics, Amal Augustine is an avid reader of science journals, a dedicated research student, and a technology enthusiast who loves programming and exploring the world of Computer Science. Through ExQuizMe, he aims to make learning accessible, enjoyable, and empowering for students across the globe.