NEET Physics: Mechanical Properties of Solids — MCQ Test 5

Q6. What property of a material primarily determines its resistance to uniform compression?

Q7. A copper block of dimensions \( 0.3 \, \text{m} \times 0.2 \, \text{m} \times 0.05 \, \text{m} \) is subjected to a shearing force of \( 3 \times 10^4 \, \text{N} \). If the shear modulus of copper is \( 4.2 \times 10^{10} \, \text{N/m}^2 \), what is the shear strain?

Q8. A copper wire of length 1.5 m and diameter 1 mm is subjected to a tensile force of 100 N. If the Young's modulus of copper is 1.1 × 10 11 N/m 2 , what is the stress in the wire?

Q9. What is the primary reason solids are far less compressible than gases?

Q10. An aluminium wire of length \( 2.0 \, \text{m} \) and cross-sectional area \( 1.5 \times 10^{-6} \, \text{m}^2 \) is stretched by a force of \( 150 \, \text{N} \). If the Young's modulus of aluminium is \( 7 \times 10^{10} \, \text{N/m}^2 \), what is the elongation?

NEET Physics — Mechanical Properties of Solids

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A copper rod of length \( 2.0 \, \text{m} \) and cross-sectional area \( 2.5 \times 10^{-6} \, \text{m}^2 \) is subjected to a tensile force of \( 500 \, \text{N} \). If the Young's modulus of copper is \( 1.1 \times 10^{11} \, \text{N/m}^2 \), what is the strain produced?

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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 Sectional, Subjected, Produced, Hydraulic, Pressure, and Fractional.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. A copper rod of length \( 2.0 \, \text{m} \) and cross-sectional area \( 2.5 \times 10^{-6} \, \text{m}^2 \) is subjected to a tensile force of \( 500 \, \text{N} \). If the Young's modulus of copper is \( 1.1 \times 10^{11} \, \text{N/m}^2 \), what is the strain produced?

  • A. \( 1.82 \times 10^{-3} \)
  • B. \( 2 \times 10^{-3} \)
  • C. \( 1.5 \times 10^{-3} \)
  • D. \( 1 \times 10^{-3} \)

Q2. A glass slab of volume \( 0.03 \, \text{m}^3 \) is subjected to a hydraulic pressure of \( 6 \times 10^6 \, \text{N/m}^2 \). If the bulk modulus of glass is \( 3.7 \times 10^{10} \, \text{N/m}^2 \), what is the fractional change in volume?

  • A. \( 1.62 \times 10^{-4} \)
  • B. \( 2 \times 10^{-4} \)
  • C. \( 1.5 \times 10^{-4} \)
  • D. \( 1 \times 10^{-4} \)

Q3. A solid aluminium sphere is subjected to a hydraulic pressure of 1 × 10 7 N/m 2 . If the bulk modulus of aluminium is 7.2 × 10 10 N/m 2 , what is the fractional change in volume?

  • A. 1.39 × 10 -4
  • B. 2 × 10 -4
  • C. 1 × 10 -4
  • D. 3 × 10 -4

Q4. A glass slab of volume \( 0.05 \, \text{m}^3 \) is subjected to a hydraulic pressure of \( 8 \times 10^6 \, \text{N/m}^2 \). If the bulk modulus of glass is \( 3.7 \times 10^{10} \, \text{N/m}^2 \), what is the fractional change in volume?

  • A. \( 2.16 \times 10^{-4} \)
  • B. \( 2.5 \times 10^{-4} \)
  • C. \( 2 \times 10^{-4} \)
  • D. \( 1.5 \times 10^{-4} \)

Q5. Why do materials like steel require a significantly larger force to produce small deformations compared to materials like rubber?

  • A. Due to lower shear modulus
  • B. Due to higher density
  • C. Due to larger Young’s modulus
  • D. Due to greater ductility

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