NEET Physics: Mechanical Properties of Solids — MCQ Test 12

Q6. A copper wire of length \( 2.5 \, \text{m} \) and cross-sectional area \( 2 \times 10^{-6} \, \text{m}^2 \) is stretched by a force of \( 200 \, \text{N} \). If the Young's modulus of copper is \( 1.1 \times 10^{11} \, \text{N/m}^2 \), what is the stress?

Q7. A brass wire of length \( 1.9 \, \text{m} \) and cross-sectional area \( 2 \times 10^{-6} \, \text{m}^2 \) is stretched by a force producing a strain of \( 2 \times 10^{-4} \). If the Young's modulus of brass is \( 9 \times 10^{10} \, \text{N/m}^2 \), what is the force applied?

Q8. A brass wire of length 3 m and cross-sectional area 2 × 10 -6 m 2 is stretched by a force of 400 N. If the Young's modulus of brass is 9 × 10 10 N/m 2 , what is the elongation?

Q9. A brass wire of length \( 1.7 \, \text{m} \) and cross-sectional area \( 2 \times 10^{-6} \, \text{m}^2 \) is stretched by a force producing a strain of \( 4 \times 10^{-4} \). If the Young's modulus of brass is \( 9 \times 10^{10} \, \text{N/m}^2 \), what is the stress?

Q10. What distinguishes a ductile material from a brittle material in terms of stress-strain behavior?

NEET Physics — Mechanical Properties of Solids

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

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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 Applicable, Describing, Behavior, Experiences, Shearing, and Dimensions.

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.

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

  • A.

    Bulk modulus

  • B.

    Young’s modulus

  • C.

    Compressive modulus

  • D.

    Shear modulus

Q2.

A brass plate experiences a shearing force of 4 × 10^{4} N across an area of 0.05 m^{2}. If the shear strain is 2 × 10^{-5}, what is the shear modulus of brass?

  • A.

    3 × 10^{10} N/m^{2}

  • B.

    5 × 10^{10} N/m^{2}

  • C.

    2 × 10^{10} N/m^{2}

  • D.

    4 × 10^{10} N/m^{2}

Q3.

A steel block of dimensions 0.5 m×0.3 m×0.1 m0.5 \, \text{m} \times 0.3 \, \text{m} \times 0.1 \, \text{m} is subjected to a shearing force of 5×104 N5 \times 10^4 \, \text{N}. If the shear modulus of steel is 8.4×1010 N/m28.4 \times 10^{10} \, \text{N/m}^2, what is the shear strain?

  • A.

    3.5×10−63.5 \times 10^{-6}

  • B.

    3.96×10−63.96 \times 10^{-6}

  • C.

    4×10−64 \times 10^{-6}

  • D.

    3×10−63 \times 10^{-6}

Q4.

A brass rod of length 2 m and cross-sectional area 5 × 10^{-6} m^{2} is compressed by a force of 1000 N. If the Young's modulus of brass is 9 × 10^{10} N/m^{2}, what is the longitudinal strain?

  • A.

    2 × 10^{-3}

  • B.

    2.22 × 10^{-3}

  • C.

    2.5 × 10^{-3}

  • D.

    3 × 10^{-3}

Q5.

A steel wire of length 2.8 m2.8 \, \text{m} and cross-sectional area 3×10−6 m23 \times 10^{-6} \, \text{m}^2 is stretched by 0.7 mm0.7 \, \text{mm}. If the Young's modulus of steel is 2×1011 N/m22 \times 10^{11} \, \text{N/m}^2, what is the strain?

  • A.

    2×10−42 \times 10^{-4}

  • B.

    3×10−43 \times 10^{-4}

  • C.

    1.5×10−41.5 \times 10^{-4}

  • D.

    2.5×10−42.5 \times 10^{-4}

+ 5 more questions in the actual test

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