Mechanical Properties Of Solids Online Test | Exam Style

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

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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. If a material has Young’s modulus and Poisson’s ratio , what is its shear modulus ?

2 / 30

2. What happens to a material when it is stressed just beyond the yield point?

3 / 30

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

4 / 30

4. Which heat treatment method increases both strength and hardness similar to strain hardening?

5 / 30

5. What does the area under the stress–strain curve represent?

6 / 30

6. Which property is improved more effectively by annealing than strain hardening?

7 / 30

7. A copper wire is cold drawn to reduce its diameter. Which changes occur?

8 / 30

8. Which statement correctly compares ductile and brittle materials on a stress–strain curve?

9 / 30

9. What is fracture toughness of a material?

10 / 30

10. Which environmental factor commonly contributes to fracture in metals?

11 / 30

11. What is bulk modulus of a material?

12 / 30

12. Which everyday object best demonstrates non-linear elastic deformation?

13 / 30

13. A wire of length is stretched by . What is the longitudinal strain?

14 / 30

14. A wire of length is stretched by a load of . The energy stored per unit volume is . Find Young’s modulus if cross-sectional area = .

15 / 30

15. Which property makes elastic mouthguards effective in protecting athletes’ teeth?

16 / 30

16. A metal rod has , . Find shear modulus .

17 / 30

17. How does temperature affect the elasticity of metals?

18 / 30

18. Which mechanical property is most crucial in designing aircraft bodies?

19 / 30

19. In the equation , what does represent?

20 / 30

20. If creep strain is given by , where and , find strain after 10 hours.

21 / 30

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

22 / 30

22. Why is annealing often done after cold working?

23 / 30

23. Why is elasticity important in making protective padding in sports gear?

24 / 30

24. A wire of length and cross-sectional area is stretched by under a load. If , what is the applied force?

25 / 30

25. If the strain-hardening exponent of a material is high, what does it indicate?

26 / 30

26. Which type of strain is produced when a wire is stretched by a force along its length?

27 / 30

27. A cylindrical rod of radius , length , is subjected to shear stress of . If shear modulus , find the lateral displacement of top face.

28 / 30

28. A cantilever beam of length , breadth , depth is loaded at the free end with . If , calculate deflection at the free end.

29 / 30

29. Which of the following materials has a well-defined UTS and breaking point?

30 / 30

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

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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 factor is most critical in determining whether a material exhibits ductile or brittle fracture?

2 / 50

2. Which of the following graphs correctly represents Hooke’s law?

3 / 50

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

4 / 50

4. What is the SI unit of Young’s modulus in ?

5 / 50

5. Which property is most critical for materials used in car chassis?

6 / 50

6. What happens to the stress–strain curve after UTS is reached?

7 / 50

7. Which of the following has the highest ultimate tensile strength among the given materials?

8 / 50

8. What kind of deformation is observed in clay when molded into bricks?

9 / 50

9. Which modulus determines the ability of a material to resist shape changes when used in machinery components?

10 / 50

10. Which formula relates the elastic strain energy stored in a stretched wire of length , cross-sectional area , Young’s modulus , and elongation ?

11 / 50

11. A beam of square cross-section side is subjected to load at mid-span. Length of beam = . Find central deflection ().

12 / 50

12. Which relation connects Young’s modulus , shear modulus , and Poisson’s ratio ?

13 / 50

13. Which one of the following statements is true about linear and non-linear elastic deformation?

14 / 50

14. A steel wire of radius is clamped at one end and twisted by torque of . If length = , calculate angle of twist. (Shear modulus )

15 / 50

15. Which property decreases after annealing compared to strain hardening?

16 / 50

16. The proportionality limit corresponds to which part of the stress–strain curve?

17 / 50

17. Why is studying plastic deformation important in material science?

18 / 50

18. A rod is subjected to uniform stress of . If volume = , Young’s modulus = , find strain energy stored.

19 / 50

19. A beam of rectangular cross-section breadth , depth , length , is loaded centrally with . Find the central deflection if .

20 / 50

20. Why are materials with high ductility preferred for earthquake-resistant structures?

21 / 50

21. Which apparatus is commonly used to measure bulk modulus of a liquid?

22 / 50

22. Why is creep prevention essential in nuclear reactors?

23 / 50

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

24 / 50

24. A steel wire of length and cross-sectional area is stretched under a load of . If Young’s modulus of steel is , what is the extension produced?

25 / 50

25. What is cold working?

26 / 50

26. A steel rod of cross-sectional area is subjected to tensile stress of . If Young’s modulus of steel is , find elongation of the rod of length .

27 / 50

27. What is bulk modulus of a material?

28 / 50

28. Which factor significantly accelerates stress relaxation in metals?

29 / 50

29. A steel rod of length and cross-sectional area is subjected to a tensile force of . If elongation is , find Young’s modulus.

30 / 50

30. Which physical quantity is defined as force per unit area?

31 / 50

31. Which property does UTS measure in a material?

32 / 50

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

33 / 50

33. The SI unit of all elastic moduli (Y, G, K) is:

34 / 50

34. A solid cube is subjected to equal compressive forces from all sides. What strain is produced?

35 / 50

35. Which heat treatment method increases both strength and hardness similar to strain hardening?

36 / 50

36. In the stress–strain curve of mild steel, which point is higher: yield strength or ultimate strength?

37 / 50

37. Which modulus is most relevant in designing metal sheets for stamping and deep drawing processes?

38 / 50

38. A steel wire of radius and length is clamped at one end and twisted through an angle of . Calculate the shear modulus if the torque applied is .

39 / 50

39. A steel rod of length , area , and Young’s modulus is subjected to a tensile force of . Calculate energy stored per unit volume.

40 / 50

40. Which modulus is related to compressibility of a material?

41 / 50

41. A rod of length , cross-sectional area , is compressed longitudinally by . If Young’s modulus , find applied force.

42 / 50

42. What is the physical significance of Hooke’s law?

43 / 50

43. Which of the following best represents non-linear elastic behavior?

44 / 50

44. Which factor causes metals to become brittle at low temperatures?

45 / 50

45. Why is carbon fiber used in sports equipment like tennis rackets and bicycles?

46 / 50

46. Which everyday object best demonstrates non-linear elastic deformation?

47 / 50

47. Which of the following is the primary cause of brittle fracture in materials?

48 / 50

48. Which statement is true about yield point?

49 / 50

49. Why is elasticity important in the design of artificial heart valves?

50 / 50

50. In linear elastic deformation, which mathematical relation holds true?

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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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