NEET Physics: Magnetism and Matter — MCQ Test 6

Q6. A magnetic dipole of moment \( 0.2 \, \text{A m}^2 \) is placed in a uniform field of \( 0.3 \, \text{T} \) at \( 45^\circ \). What is the torque on the dipole?

Q7. A paramagnetic material with \( \chi = 7 \times 10^{-4} \) in \( H = 3000 \, \text{A m}^{-1} \) has magnetization \( M \):

Q8. A material’s weak attraction to a magnetic field is due to:

Q9. The reason a bar magnet cannot exert a torque on itself is:

Q10. A material has \( B = 0.65 \, \text{T} \) and \( M = 4.5 \times 10^5 \, \text{A m}^{-1} \). What is \( H \)? (Take \( \mu_0 = 4\pi \times 10^{-7} \, \text{T m A}^{-1} \)).

NEET Physics — Magnetism and Matter

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A paramagnetic material with \( \chi = 1.5 \times 10^{-3} \) in \( H = 600 \, \text{A m}^{-1} \) has magnetization \( M \):

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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 Magnetism and Matter. 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 Paramagnetic, Material, Magnetization, Magnetic, Increases, and Significantly.

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 paramagnetic material with \( \chi = 1.5 \times 10^{-3} \) in \( H = 600 \, \text{A m}^{-1} \) has magnetization \( M \):

  • A. 0.7 A m⁻¹
  • B. 0.9 A m⁻¹
  • C. 1.0 A m⁻¹
  • D. 1.2 A m⁻¹

Q2. The magnetic field inside a material increases significantly when placed in an external field due to:

  • A. Alignment and growth of magnetic domains
  • B. Expulsion of field lines
  • C. Weak opposing induced currents
  • D. Random thermal motion of atoms

Q3. What is the magnetic field at a point on the equatorial line of a bar magnet with magnetic moment \( 2 \, \text{A m}^2 \) at a distance of \( 10 \, \text{cm} \) from its center? (Take \( \mu_0 = 4\pi \times 10^{-7} \, \text{T m A}^{-1} \)).

  • A. 1 × 10⁻⁴ T
  • B. 2 × 10⁻⁴ T
  • C. 3 × 10⁻⁴ T
  • D. 4 × 10⁻⁴ T

Q4. A material with susceptibility \( \chi = 4 \times 10^{-3} \) has a relative permeability \( \mu_r \) of:

  • A. 1.004
  • B. 1.002
  • C. 1.006
  • D. 1.008

Q5. The magnetic field inside a long solenoid is uniform because:

  • A. The field lines are parallel and evenly spaced
  • B. The field lines diverge at the ends
  • C. The current varies along its length
  • D. The field cancels outside the solenoid

+ 5 more questions in the actual test

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