NEET Physics: Mechanical Properties of Solids — MCQ Test 1

Q6. What does the steepness of the linear portion of a stress-strain curve typically indicate about a material?

Q7. A water sample of volume 1 litre is compressed by 0.05%. If the bulk modulus of water is 2.2 × 10 9 N/m 2 , what is the pressure applied?

Q8. Which type of stress leads to a change in length of a body without changing its shape?

Q9. What does the term "elastic limit" refer to in the context of a material’s stress-strain behavior?

Q10. Which of the following best defines stress in the context of mechanical properties of solids?

NEET PhysicsMechanical Properties of Solids

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A copper block of dimensions \( 0.4 \, \text{m} \times 0.2 \, \text{m} \times 0.05 \, \text{m} \) is subjected to a shearing force of \( 1.5 \times 10^4 \, \text{N} \). If the shear modulus of copper is \( 4.2 \times 10^{10} \, \text{N/m}^2 \), what is the shear strain?

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Physics preparation, focusing specifically on the chapter Mechanical Properties of Solids. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Dimensions, Subjected, Shearing, Sectional, Stretched, and Aluminium.

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Preview of Questions in this Test

Q1. A copper block of dimensions \( 0.4 \, \text{m} \times 0.2 \, \text{m} \times 0.05 \, \text{m} \) is subjected to a shearing force of \( 1.5 \times 10^4 \, \text{N} \). If the shear modulus of copper is \( 4.2 \times 10^{10} \, \text{N/m}^2 \), what is the shear strain?

  • A. \( 4 \times 10^{-6} \)
  • B. \( 5 \times 10^{-6} \)
  • C. \( 3 \times 10^{-6} \)
  • D. \( 4.46 \times 10^{-6} \)

Q2. A steel wire of length 3 m and cross-sectional area 4 × 10 -6 m 2 is stretched by 0.3 mm. If the Young's modulus of steel is 2 × 10 11 N/m 2 , what is the force applied?

  • A. 60 N
  • B. 100 N
  • C. 80 N
  • D. 120 N

Q3. A steel wire of length 4 m and cross-sectional area 2 × 10 -6 m 2 is stretched by 0.4 mm. If the force applied is 200 N, what is the Young's modulus of the steel?

  • A. 0.5 × 10 12 N/m 2
  • B. 2 × 10 12 N/m 2
  • C. 1.5 × 10 12 N/m 2
  • D. 1 × 10 12 N/m 2

Q4. An aluminium rod of length \( 1.6 \, \text{m} \) and cross-sectional area \( 2 \times 10^{-6} \, \text{m}^2 \) is compressed by a force of \( 600 \, \text{N} \). If the Young's modulus of aluminium is \( 7 \times 10^{10} \, \text{N/m}^2 \), what is the compression?

  • A. \( 6 \, \text{mm} \)
  • B. \( 6.86 \, \text{mm} \)
  • C. \( 7 \, \text{mm} \)
  • D. \( 5 \, \text{mm} \)

Q5. Why is steel often chosen over materials like copper for heavy-duty structural applications?

  • A. Higher Young’s modulus
  • B. Lower density
  • C. Greater ductility
  • D. Higher thermal conductivity

+ 5 more questions in the actual test

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