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Class 11 Physics — Chapter 9: Mechanical Properties of Solids Online Test

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Class 11 Physics: Mechanical Properties of Solids Online Test (Paper 1)

Welcome to Paper 1! This is your foundation to build confidence and get you ready to tackle the challenges ahead.

  • Total Questions: 20
  • Time Allotted: 30 minutes
  • Passing Score: 40%
  • Randomization: No
  • Certificate: No
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 20

1. A material initially stressed to shows a stress of after 100 s at constant strain. What is the relaxation time ?

2 / 20

2. A boiler tube operates under stress of at . If the creep rate follows Norton’s law , what happens if stress doubles?

3 / 20

3. In an S–N curve (stress vs. number of cycles), what does the horizontal region represent?

4 / 20

4. In which of the following processes is strain hardening most beneficial?

5 / 20

5. Plastic deformation is accompanied by which atomic process?

6 / 20

6. For submarine hull design, which modulus is most relevant?

7 / 20

7. A material has Young’s modulus and bulk modulus . Find Poisson’s ratio .

8 / 20

8. A wire of length , area , elongates by under a load of . Find Young’s modulus.

9 / 20

9. A wire of length and area is stretched with stress of . If , calculate elongation.

10 / 20

10. What type of deformation occurs in the yield region?

11 / 20

11. Which industrial test uses Hooke’s law principle to check stiffness of materials?

12 / 20

12. A copper wire of length and cross-sectional area is subjected to a tensile force of . If , what is the elongation?

13 / 20

13. Which graph best represents the equation ?

14 / 20

14. The stress–strain graph in Hooke’s law region is:

15 / 20

15. A wire of length and cross-sectional area elongates by under a force of . What is the stress and strain?

16 / 20

16. Plasticity in solids refers to:

17 / 20

17. Which property is most important for designing wires used in electrical transmission?

18 / 20

18. Which of the following is an example of a linear elastic material?

19 / 20

19. A wire of length and area is subjected to a tensile force of . If its elongation is , what is the Young’s modulus of the material?

20 / 20

20. A steel wire of length and radius is subjected to a tensile force of . If Young’s modulus of steel is , what is the elongation of the wire?

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Class 11 Physics: Mechanical Properties of Solids Online Test (Paper 2)

Welcome to Paper 2! You’ve mastered the basics, and now it’s time to test your understanding with a more challenging set of questions.

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  • Total Questions: 30
  • Time Allotted: 45 minutes
  • Passing Score: 50%
  • Randomization: Yes
  • Certificate: No
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 30

1. The SI unit of stress is:

2 / 30

2. When does a body show perfectly elastic behavior?

3 / 30

3. Which of the following real-life factors demonstrate temperature affecting elasticity?

4 / 30

4. What branch of physics does the chapter "Mechanical Properties of Solids" mainly deal with?

5 / 30

5. Which type of stress is produced when a wire is stretched by a force applied along its length?

6 / 30

6. Which modulus determines how a liquid resists compression?

7 / 30

7. For submarine hull design, which modulus is most relevant?

8 / 30

8. A copper wire is stretched beyond its elastic limit. What type of deformation occurs?

9 / 30

9. Which of the following is an example of strain hardening applied in sports equipment?

10 / 30

10. Which property of materials is essential in designing pole vaulting poles?

11 / 30

11. Which mechanical property is most important in making automobile tires?

12 / 30

12. Why is yield strength an important property in engineering design?

13 / 30

13. Which of the following mathematical forms represents Hooke’s law?

14 / 30

14. Which industrial test uses Hooke’s law principle to check stiffness of materials?

15 / 30

15. Which everyday example demonstrates plastic deformation?

16 / 30

16. What happens to dislocation density during cold working?

17 / 30

17. What is the drawback of strain-hardened materials in engineering applications?

18 / 30

18. A cube of side is acted upon by a tangential force of on one of its faces. If the face area is , what is the shear stress?

19 / 30

19. In biomechanics, tendons and ligaments are modeled as:

20 / 30

20. Which of the following best describes fatigue failure?

21 / 30

21. Why is excessive cold working avoided?

22 / 30

22. For a linear elastic material, the potential energy stored per unit volume (elastic energy density) is:

23 / 30

23. What is the correct definition of elasticity in solids?

24 / 30

24. Why is plastic deformation important in manufacturing processes?

25 / 30

25. Why is elasticity important in the process of forging?

26 / 30

26. Which of the following statements is true regarding the three elastic moduli?

27 / 30

27. Which engineering method is used to prevent crack growth in aircraft structures?

28 / 30

28. Why is it important to study the mechanical properties of solids?

29 / 30

29. What type of deformation occurs in the yield region?

30 / 30

30. In the equation , what does represent?

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Class 11 Physics: Mechanical Properties of Solids Online Test (Paper 3)

Welcome to Paper 3! You’ve warmed up—now it's time to step up your game and conquer the challenge with tougher questions!

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  • Total Questions: 50
  • Time Allotted: 75 minutes
  • Passing Score: 70%
  • Randomization: Yes
  • Certificate: Yes
  • Retake: Allowed
  • Price: 100% Free

Good luck! 👍

1 / 50

1. Which of the following stress-strain relations corresponds to non-linear elasticity?

2 / 50

2. According to Norton’s law, steady-state creep rate is proportional to:

3 / 50

3. Which formula correctly expresses shear modulus ?

4 / 50

4. Which of the following best represents a case of elastic deformation?

5 / 50

5. A material has bulk modulus and shear modulus . Find its Young’s modulus .

6 / 50

6. Which of the following is an example of elasticity?

7 / 50

7. Which heat treatment method involves heating followed by slow cooling to soften metals?

8 / 50

8. Why is stress relaxation test significant for materials used in gaskets and seals?

9 / 50

9. In an S–N curve (stress vs. number of cycles), what does the horizontal region represent?

10 / 50

10. What is the drawback of strain-hardened materials in engineering applications?

11 / 50

11. A rod of length , area , and Young’s modulus is stretched by . Calculate the applied force.

12 / 50

12. If two wires of same material, same length, but different cross-sectional areas are subjected to same force, then:

13 / 50

13. A wire of length and cross-sectional area elongates by under a force of . What is the stress and strain?

14 / 50

14. In the elastic region, the relation between stress () and strain () is given by:

15 / 50

15. Which of the following construction materials is most elastic in terms of modulus of elasticity?

16 / 50

16. A steel wire of length and radius is subjected to a tensile force of . If Young’s modulus of steel is , what is the elongation of the wire?

17 / 50

17. A stress–strain curve with a nearly straight line up to breaking point is typical of:

18 / 50

18. In the relation , what happens to strain if Young’s modulus is very large?

19 / 50

19. Why is it important to study the mechanical properties of solids?

20 / 50

20. Which property makes elastic catheters effective in medical applications?

21 / 50

21. Which of the following is a common cause of fracture in ceramics?

22 / 50

22. Which of the following real-life factors demonstrate temperature affecting elasticity?

23 / 50

23. Why are materials with high ductility chosen in earthquake-resistant building design?

24 / 50

24. Which law governs linear elastic deformation?

25 / 50

25. Why does fatigue failure occur in metals?

26 / 50

26. Which real-life application is based directly on Hooke’s law formulation?

27 / 50

27. Which of the following equations gives the deflection of a beam under central load ?

28 / 50

28. What is the slope of the stress–strain curve in the elastic region?

29 / 50

29. What is the mathematical expression of Hooke’s law in terms of stress and strain?

30 / 50

30. A material initially stressed to shows a stress of after 100 s at constant strain. What is the relaxation time ?

31 / 50

31. How does the rate of loading affect plastic deformation?

32 / 50

32. A steel wire of length and cross-sectional area is subjected to a force of . If , what is the elongation?

33 / 50

33. Which of the following correctly represents the condition for linear elasticity?

34 / 50

34. In material testing, stress relaxation helps to determine:

35 / 50

35. How does grain size affect creep resistance at high temperatures?

36 / 50

36. Which of the following pairs correctly matches ductile and brittle material behaviour?

37 / 50

37. What branch of physics does the chapter "Mechanical Properties of Solids" mainly deal with?

38 / 50

38. Which everyday example demonstrates plastic deformation?

39 / 50

39. Which point on the stress–strain curve marks the beginning of plastic deformation?

40 / 50

40. In stress-strain behavior, where does plastic deformation start?

41 / 50

41. Which process of manufacturing depends directly on plastic deformation of metals?

42 / 50

42. Which property makes copper suitable for making electrical wires?

43 / 50

43. Which phenomenon is associated with plastic flow in metals?

44 / 50

44. Elasticity plays a key role in which of the following phenomena?

45 / 50

45. Why is measurement of elastic moduli important in engineering?

46 / 50

46. If a material has bulk modulus and volumetric strain = , what pressure is applied?

47 / 50

47. Why is elasticity important in manufacturing cutting tools?

48 / 50

48. A boiler tube operates under stress of at . If the creep rate follows Norton’s law , what happens if stress doubles?

49 / 50

49. The length of a rod increases by when subjected to tensile stress of . If Young’s modulus = , find original length of rod.

50 / 50

50. Which modulus is most relevant for designing helmets?

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Practice Mechanical Properties of Solids MCQs
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Class 11 Physics — Chapter 9: Mechanical Properties of Solids Online Test

The Mechanical Properties of Solids Online Test helps Class 11 students understand how different materials behave under the action of forces. This chapter is not just theoretical — it connects Physics to the real world through concepts like stress, strain, elasticity, Young’s modulus, and Hooke’s law. Many students find this topic tricky at first, but once they start solving practical-based questions, it becomes one of the most scoring chapters in Physics.

These online tests are based on the NCERT Class 11 Physics Chapter 9 — Mechanical Properties of Solids and follow the latest CBSE pattern. Each test gives you an exam-like experience with multiple-choice questions, a timer, and instant results. You can attempt them anytime, anywhere, and track your progress with each paper.

By regularly attempting this Mechanical Properties of Solids Online Test, you’ll strengthen your understanding of elasticity and material behavior. Each question is selected carefully to test your clarity on formulas, graphs, and applications. Students who practice these papers consistently gain confidence and perform better in school exams, JEE, and NEET.

About this Online Test

The Chapter 9 Online Test is divided into three timed papers that gradually increase in level. You can start with basics, move to mixed difficulty, and finally challenge yourself with advanced-level problems.

  • Paper 1 — Fundamentals: 20 questions · 30 min · Pass ≥ 40%
  • Paper 2 — Concept Practice: 30 questions · 45 min · Pass ≥ 50% · Random questions each attempt
  • Paper 3 — Advanced Test: 50 questions · 75 min · Pass ≥ 70% · Certificate on passing

All papers are auto-graded and include a detailed answer review. Papers 2 and 3 offer new sets of questions every time you attempt, making your learning continuous and engaging.

Key Topics Covered (Mechanical Properties of Solids)

  • Elasticity and plasticity
  • Stress and strain — longitudinal, shear, and volumetric
  • Hooke’s law and stress–strain curve
  • Elastic moduli: Young’s modulus, bulk modulus, rigidity modulus
  • Poisson’s ratio and its significance
  • Elastic potential energy in a stretched wire
  • Applications of elasticity in daily life and industries

Why You Should Take This Test

Understanding mechanical properties through reading is not enough. You need to practice to remember formulas and learn when to apply them. This online test helps you:

  • Master formula-based and concept-based problems
  • Revise all important elasticity and stress-strain questions
  • Improve accuracy with time-based challenges
  • Get instant feedback and result analysis
  • Build confidence for board and competitive exams

Who Should Attempt

  • Class 11 CBSE/NCERT students revising Chapter 9
  • JEE/NEET aspirants focusing on mechanics-based questions
  • Students who find elasticity and modulus numericals confusing
  • Teachers looking for ready-to-use online chapter tests

Preparation Tips for Chapter 9

  • Memorize all elasticity formulas like Y = Stress / Strain, K = Volume Stress / Volume Strain, etc.
  • Understand the shape of the stress-strain graph and its regions.
  • Study the difference between elastic and plastic behavior of materials.
  • Attempt Paper 1 after reading NCERT; attempt Paper 2 & 3 for deeper understanding.
  • Revisit incorrect answers and revise related concepts from your notes.

Before You Start

  • Do not refresh or close the tab while taking the test.
  • Use Chrome or Edge browser for smooth performance.
  • Ensure a stable internet connection during the test.

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