NEET Physics: Mechanical Properties of Solids — MCQ Test 13

Q6. A steel wire of length \( 2.0 \, \text{m} \) and cross-sectional area \( 3 \times 10^{-6} \, \text{m}^2 \) is stretched by \( 0.4 \, \text{mm} \). If the Young's modulus of steel is \( 2 \times 10^{11} \, \text{N/m}^2 \), what is the force applied?

Q7. A glass slab of volume \( 0.03 \, \text{m}^3 \) is subjected to a hydraulic pressure of \( 5 \times 10^6 \, \text{N/m}^2 \). If the bulk modulus of glass is \( 3.7 \times 10^{10} \, \text{N/m}^2 \), what is the change in volume?

Q8. A steel wire of length \( 2.8 \, \text{m} \) and cross-sectional area \( 4 \times 10^{-6} \, \text{m}^2 \) is stretched by a force producing a strain of \( 1.5 \times 10^{-4} \). If the Young's modulus of steel is \( 2 \times 10^{11} \, \text{N/m}^2 \), what is the elongation?

Q9. A steel rod of length 1 m and cross-sectional area 1 × 10 -5 m 2 is subjected to a tensile force of 1000 N. If the Young's modulus of steel is 2 × 10 11 N/m 2 , what is the strain produced?

Q10. A water sample of volume 2 litres is compressed by a pressure of 2 × 10 6 N/m 2 . If the bulk modulus of water is 2.2 × 10 9 N/m 2 , what is the fractional change in volume?

NEET PhysicsMechanical Properties of Solids

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A glass slab of volume \( 0.02 \, \text{m}^3 \) is subjected to a hydraulic pressure of \( 5 \times 10^6 \, \text{N/m}^2 \). If the bulk modulus of glass is \( 3.7 \times 10^{10} \, \text{N/m}^2 \), what is the fractional change in volume?

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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 Subjected, Hydraulic, Pressure, Fractional, Difference, and Deformation.

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 glass slab of volume \( 0.02 \, \text{m}^3 \) is subjected to a hydraulic pressure of \( 5 \times 10^6 \, \text{N/m}^2 \). If the bulk modulus of glass is \( 3.7 \times 10^{10} \, \text{N/m}^2 \), what is the fractional change in volume?

  • A. \( 1.35 \times 10^{-4} \)
  • B. \( 2 \times 10^{-4} \)
  • C. \( 1 \times 10^{-4} \)
  • D. \( 1.5 \times 10^{-4} \)

Q2. What is the key difference between elastic and plastic deformation in a material?

  • A. Elastic deformation occurs only in solids
  • B. Plastic deformation occurs at lower stress
  • C. Elastic deformation involves higher energy
  • D. Elastic deformation is reversible, plastic is not

Q3. 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

Q4. A water sample of volume \( 1.5 \, \text{litres} \) is compressed by a pressure of \( 3 \times 10^6 \, \text{N/m}^2 \). If the bulk modulus of water is \( 2.2 \times 10^9 \, \text{N/m}^2 \), what is the change in volume?

  • A. \( 2 \times 10^{-6} \, \text{m}^3 \)
  • B. \( 2.04 \times 10^{-6} \, \text{m}^3 \)
  • C. \( 2.5 \times 10^{-6} \, \text{m}^3 \)
  • D. \( 1.5 \times 10^{-6} \, \text{m}^3 \)

Q5. A copper wire of length \( 1.8 \, \text{m} \) and cross-sectional area \( 3 \times 10^{-6} \, \text{m}^2 \) is stretched by a force producing a strain of \( 3 \times 10^{-4} \). If the Young's modulus of copper is \( 1.1 \times 10^{11} \, \text{N/m}^2 \), what is the stress?

  • A. \( 3 \times 10^7 \, \text{N/m}^2 \)
  • B. \( 3.3 \times 10^7 \, \text{N/m}^2 \)
  • C. \( 3.5 \times 10^7 \, \text{N/m}^2 \)
  • D. \( 2.5 \times 10^7 \, \text{N/m}^2 \)

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