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

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

2 / 30

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

3 / 30

3. Which of the following correctly describes the elastic region?

4 / 30

4. In the plastic deformation region, what is true about stress and strain?

5 / 30

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

6 / 30

6. Why is steel considered nearly perfectly linear elastic?

7 / 30

7. Which modulus is most relevant for describing elasticity in solids under torsion?

8 / 30

8. What is the definition of elastic limit?

9 / 30

9. Which relation is true for Hooke’s law formulation?

10 / 30

10. In the plastic deformation region, what happens to elongation when load is increased?

11 / 30

11. In automotive crash design, why are ductile materials preferred?

12 / 30

12. Shear strain is observed in which of the following cases?

13 / 30

13. A wire of length , radius , is stretched by force . If elongation is , find Young’s modulus.

14 / 30

14. Which of the following is an example of plastic deformation?

15 / 30

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

16 / 30

16. What is the main cause of permanent deformation in crystalline solids?

17 / 30

17. A steel rod of length , cross-section , is subjected to tensile force . Calculate the strain energy stored in the rod. .

18 / 30

18. A rod is subjected to uniform stress of . Volume = . . Find strain energy stored.

19 / 30

19. Which of the following statements best distinguishes proportionality limit and elastic limit?

20 / 30

20. A steel rod obeys Hooke’s law up to stress . If Young’s modulus is , what is the maximum elastic strain?

21 / 30

21. The length of a steel wire increases by when a load of is applied. If the same load is applied to a copper wire of same dimensions, elongation is . What is the ratio of Young’s moduli of steel to copper?

22 / 30

22. Why is damage tolerance analysis important in structural engineering?

23 / 30

23. Which property of cartilage makes it suitable as a shock absorber in joints?

24 / 30

24. Why is study of permanent deformation important in engineering?

25 / 30

25. What does a higher value of Young’s modulus imply about a material?

26 / 30

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

27 / 30

27. A rod of length , diameter elongates by under a load of . Find Young’s modulus.

28 / 30

28. Which point on the stress–strain curve marks the end of elastic behaviour?

29 / 30

29. Which of the following always lies before the elastic limit on a stress–strain curve?

30 / 30

30. A wire of length and radius is stretched under a force of . If the increase in length is , calculate Young’s modulus.

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

2 / 50

2. Which of the following is the property of being permanently stretched without rupture?

3 / 50

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

4 / 50

4. Why are surface defects dangerous for fatigue life?

5 / 50

5. 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?

6 / 50

6. A wire of length and diameter is stretched under a load of . If the lateral strain is and longitudinal strain is , calculate Poisson’s ratio.

7 / 50

7. Which formula defines shear stress?

8 / 50

8. Which of the following relations is correct for Young’s modulus in terms of stress and strain?

9 / 50

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

10 / 50

10. Which of the following is dimensionally equivalent to Young’s modulus?

11 / 50

11. What happens to dislocation density during cold working?

12 / 50

12. What is the definition of elastic limit?

13 / 50

13. In the elastic region, the slope of the stress–strain curve is equal to:

14 / 50

14. How does increasing temperature generally affect plastic deformation in metals?

15 / 50

15. Why is knowledge of plastic deformation essential in engineering design?

16 / 50

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

17 / 50

17. Which property is most important in designing helmets and protective gear?

18 / 50

18. What does the breaking point on the stress–strain curve indicate?

19 / 50

19. A mild steel sample has yield stress of . If its cross-sectional area is , what is the load required to reach yield point?

20 / 50

20. When a block is subjected to equal and opposite tangential forces on its opposite faces, which type of stress develops?

21 / 50

21. Which relation connects Young’s modulus , bulk modulus , and Poisson’s ratio ?

22 / 50

22. Which property of solids is responsible for the permanent bending of a metal rod after applying a strong force?

23 / 50

23. In which region of a stress-strain curve does linear elastic deformation occur?

24 / 50

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

25 / 50

25. Which modulus is most relevant in studying deformation of blood vessels under blood pressure?

26 / 50

26. In Hooke’s law, the proportionality constant is known as:

27 / 50

27. Which factor significantly accelerates stress relaxation in metals?

28 / 50

28. What is meant by linear elastic deformation?

29 / 50

29. Why is elasticity important in manufacturing cutting tools?

30 / 50

30. Why does increasing applied stress accelerate creep rate?

31 / 50

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

32 / 50

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

33 / 50

33. 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 .

34 / 50

34. A specimen shows primary, secondary, and tertiary creep stages. Which stage is most dangerous for failure?

35 / 50

35. Which apparatus is commonly used to measure Young’s modulus of a wire in laboratories?

36 / 50

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

37 / 50

37. Which equation approximately describes steady-state creep rate?

38 / 50

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

39 / 50

39. Which component in automobiles is most affected by creep at high temperatures?

40 / 50

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

41 / 50

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

42 / 50

42. Why are strain-hardened stainless steels used in making surgical instruments?

43 / 50

43. Which of the following materials shows a very well-defined yield point?

44 / 50

44. A wire of length and diameter is subjected to a load of . If Young’s modulus = , find the strain energy per unit volume.

45 / 50

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

46 / 50

46. A wire of length and radius is stretched under a force of . If the increase in length is , calculate Young’s modulus.

47 / 50

47. Which application of plastic deformation is used in the creation of aluminum foils?

48 / 50

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

49 / 50

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

50 / 50

50. In non-linear elastic deformation, which of the following is 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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