NEET Physics: Mechanical Properties of Solids — MCQ Test 11

Q6. Which modulus is not applicable for describing the elastic behavior of liquids and gases under shear stress?

Q7. A brass wire of length \( 2.0 \, \text{m} \) and cross-sectional area \( 3 \times 10^{-6} \, \text{m}^2 \) is stretched by a force producing a strain of \( 5 \times 10^{-4} \). If the Young's modulus of brass is \( 9 \times 10^{10} \, \text{N/m}^2 \), what is the force applied?

Q8. A steel rod of length 0.6 m and cross-sectional area 5 × 10 -6 m 2 is compressed by a force producing a strain of 3 × 10 -4 . If the Young's modulus of steel is 2 × 10 11 N/m 2 , what is the force applied?

Q9. What characterizes the stress-strain behavior of a material in the region where plastic deformation begins?

Q10. A copper wire of length 1.2 m and cross-sectional area 1.5 × 10 -6 m 2 is stretched by a force producing a stress of 2 × 10 7 N/m 2 . If the Young's modulus of copper is 1.1 × 10 11 N/m 2 , what is the strain?

NEET PhysicsMechanical Properties of Solids

Free MCQ Test 11 of 15

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A glass slab of volume \( 0.04 \, \text{m}^3 \) is subjected to a hydraulic pressure of \( 7 \times 10^6 \, \text{N/m}^2 \). 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, Sectional, and Stretched.

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 \( 0.04 \, \text{m}^3 \) is subjected to a hydraulic pressure of \( 7 \times 10^6 \, \text{N/m}^2 \). If the bulk modulus of glass is \( 3.7 \times 10^{10} \, \text{N/m}^2 \), what is the fractional change in volume?

  • A. \( 1.89 \times 10^{-4} \)
  • B. \( 2 \times 10^{-4} \)
  • C. \( 1.5 \times 10^{-4} \)
  • D. \( 1 \times 10^{-4} \)

Q2. A copper wire of length \( 2.0 \, \text{m} \) and cross-sectional area \( 2 \times 10^{-6} \, \text{m}^2 \) is stretched by a force producing a strain of \( 1 \times 10^{-4} \). If the Young's modulus of copper is \( 1.1 \times 10^{11} \, \text{N/m}^2 \), what is the force applied?

  • A. \( 20 \, \text{N} \)
  • B. \( 22 \, \text{N} \)
  • C. \( 25 \, \text{N} \)
  • D. \( 30 \, \text{N} \)

Q3. An aluminium wire of length \( 1.5 \, \text{m} \) and cross-sectional area \( 2 \times 10^{-6} \, \text{m}^2 \) is stretched by a force of \( 140 \, \text{N} \). If the Young's modulus of aluminium is \( 7 \times 10^{10} \, \text{N/m}^2 \), what is the elongation?

  • A. \( 1 \, \text{mm} \)
  • B. \( 2 \, \text{mm} \)
  • C. \( 1.5 \, \text{mm} \)
  • D. \( 3 \, \text{mm} \)

Q4. An aluminium wire of length \( 1.7 \, \text{m} \) and cross-sectional area \( 2 \times 10^{-6} \, \text{m}^2 \) is stretched by \( 0.34 \, \text{mm} \). If the Young's modulus of aluminium is \( 7 \times 10^{10} \, \text{N/m}^2 \), what is the force applied?

  • A. \( 25 \, \text{N} \)
  • B. \( 30 \, \text{N} \)
  • C. \( 20 \, \text{N} \)
  • D. \( 28 \, \text{N} \)

Q5. In the stress-strain behavior of a ductile material, what happens after the maximum stress the material can endure?

  • A. The material begins to fracture
  • B. The material returns to its original shape
  • C. The proportionality between stress and strain holds
  • D. The material undergoes elastic deformation only

+ 5 more questions in the actual test

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