NEET Physics: Mechanical Properties of Solids — MCQ Test 4

Q6. A copper block of dimensions 0.5 m × 0.3 m × 0.2 m is subjected to a shearing force of 7 × 10 4 N on its top face. If the shear modulus of copper is 4.2 × 10 10 N/m 2 , what is the shear strain?

Q7. What does the term "elastic limit" refer to in the context of a material’s stress-strain behavior?

Q8. An aluminium block of dimensions \( 0.5 \, \text{m} \times 0.3 \, \text{m} \times 0.1 \, \text{m} \) is subjected to a shearing force of \( 7 \times 10^4 \, \text{N} \). If the shear modulus of aluminium is \( 2.5 \times 10^{10} \, \text{N/m}^2 \), what is the displacement of the top face?

Q9. A brass wire of length \( 2.6 \, \text{m} \) and cross-sectional area \( 4 \times 10^{-6} \, \text{m}^2 \) is stretched by a force of \( 400 \, \text{N} \). If the Young's modulus of brass is \( 9 \times 10^{10} \, \text{N/m}^2 \), what is the elongation?

Q10. A steel rod of length 0.5 m and cross-sectional area 1 × 10 -5 m 2 is compressed by a force of 500 N. If the strain is 5 × 10 -4 , what is the Young's modulus?

NEET PhysicsMechanical Properties of Solids

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Which modulus describes a material’s resistance to volume change under uniform pressure in all directions?

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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 Describes, Material, Resistance, Pressure, Directions, and Sectional.

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Preview of Questions in this Test

Q1. Which modulus describes a material’s resistance to volume change under uniform pressure in all directions?

  • A. Young’s modulus
  • B. Shear modulus
  • C. Bulk modulus
  • D. Elastic modulus

Q2. A steel wire of length \( 2.2 \, \text{m} \) and cross-sectional area \( 2.5 \times 10^{-6} \, \text{m}^2 \) is stretched by a force of \( 250 \, \text{N} \). If the Young's modulus of steel is \( 2 \times 10^{11} \, \text{N/m}^2 \), what is the strain?

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

Q3. An aluminium rod of length \( 1.2 \, \text{m} \) and cross-sectional area \( 2.5 \times 10^{-6} \, \text{m}^2 \) is compressed by a force producing a strain of \( 2 \times 10^{-4} \). If the Young's modulus of aluminium is \( 7 \times 10^{10} \, \text{N/m}^2 \), what is the stress?

  • A. \( 1 \times 10^7 \, \text{N/m}^2 \)
  • B. \( 2 \times 10^7 \, \text{N/m}^2 \)
  • C. \( 1.4 \times 10^7 \, \text{N/m}^2 \)
  • D. \( 1.5 \times 10^7 \, \text{N/m}^2 \)

Q4. A brass block of dimensions 0.3 m × 0.2 m × 0.1 m is subjected to a shearing force of 5 × 10 4 N. If the shear modulus of brass is 3.6 × 10 10 N/m 2 , what is the displacement of the upper face?

  • A. 2 × 10 -6 m
  • B. 3 × 10 -6 m
  • C. 2.31 × 10 -6 m
  • D. 2.5 × 10 -6 m

Q5. A steel wire of length \( 2.4 \, \text{m} \) and cross-sectional area \( 4 \times 10^{-6} \, \text{m}^2 \) is stretched by \( 0.6 \, \text{mm} \). If the Young's modulus of steel is \( 2 \times 10^{11} \, \text{N/m}^2 \), what is the stress?

  • A. \( 4 \times 10^7 \, \text{N/m}^2 \)
  • B. \( 6 \times 10^7 \, \text{N/m}^2 \)
  • C. \( 5 \times 10^7 \, \text{N/m}^2 \)
  • D. \( 3 \times 10^7 \, \text{N/m}^2 \)

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