In NCERT Class 12 Physics Chapter 5, "Magnetism and Matter," students explore the magnetic properties of materials and their interactions with magnetic fields. This chapter covers the behavior of bar magnets, Earth's magnetism, and concepts like magnetic susceptibility and permeability, offering insights into the fundamental nature of magnetism.
This article includes sample MCQs and subjective questions, designed to help students prepare for CBSE and CUET exams. Additionally, downloadable PDFs of Class 12 Physics Chapter 5 MCQs and previous year questions are provided for thorough practice of NCERT Class 12 Physics Magnetism and Matter.
NCERT Class 12 Physics Chapters
|
|
This question bank includes previous years' CUET and CBSE MCQs, along with questions curated by subject experts. Below are 5 sample multiple-choice questions (MCQs) for Class 12 Physics Chapter 5: Magnetism and Matter. For the full set of 50 questions, download the PDF using the link provided below.
1. |
Which one of the following has negative value of susceptibility? (a) Nickel (b) Aluminium (c) Lead (d) Iron |
2. |
Which one of the following has relative magnetic permeability between 0 and 1? (a) Aluminium (b) Alnico (c) Water (d) Sodium |
3. |
Which of the following has its permeability less than that of free space? (a) Copper (b) Aluminium (c) Copper chloride (d) Nickel |
4. |
A diamagnetic substance is brought near the north or south pole of a bar magnet. It will be : (a) repelled by both the poles. (b) attracted by both the poles. (c) repelled by the north pole and attracted by the south pole. (d) attracted by the north pole and repelled by the south pole. |
This question bank includes previous years' CBSE subjective questions (2 marks and above) without solutions, along with expert-curated questions. Below are 5 sample subjective questions for Class 12 Physics Chapter 5: Magnetism and Matter. To access all questions, download the PDF from the link provided below.
1. |
A wire of length L is bent round in the form of (i) a square, and then (ii) an equilateral triangle. If current I is passed through each of them, find the ratio of magnetic moment of the square loop to that of the triangle. (CBSE 2023, 2M) |
2. |
(a) Derive the expression for the torque acting on a current carrying loop placed in a magnetic field. (b) Explain the significance of a radial magnetic field when a current carrying coil is kept in it. (CBSE 2019, 3M) |
3. |
A proton is accelerated through a potential difference V, subjected to a uniform magnetic field acting normal to the velocity of the proton. If the potential difference is doubled, how will the radius of the circular path described by the proton in the magnetic field change? (CBSE 2019, 2M) |
4. |
Write one important property of a paramagnetic material. (CBSE 2019, 5M) |
Chapter Name |
Sub Topics of Chapter 5: Magnetism and Matter |
Magnetism and Matter |
5.1 Introduction |
5.2 The Bar Magnet |
|
5.3 Magnetic Field Lines |
|
5.4 Earth’s Magnetism |
|
5.5 Magnetic Declination and Inclination |
|
5.6 Magnetic Properties of Materials |
|
5.7 Diamagnetism, Paramagnetism, and Ferromagnetism |
|
5.8 Hysteresis |
|
5.9 Magnetic Permeability and Susceptibility |
|
5.10 Applications of Magnetism in Daily Life |
NCERT Class 12 Physics Chapter 5, "Magnetism and Matter," explores the magnetic behavior of materials and the Earth's magnetic properties. It introduces students to essential concepts like magnetic susceptibility, permeability, and the differences between diamagnetic, paramagnetic, and ferromagnetic materials.
The chapter also highlights the practical implications of magnetism, including its use in compasses and electromagnets. Mastering NCERT Class 12 Physics Chapter 5 prepares students for advanced studies in electromagnetism and material science.