Magnetism and Matter - ISC Class 12 Physics Questions with Answers
20 past-paper questions on Magnetism and Matter from ISC Class 12 Physics papers (2027-2018), newest first. Open one to see its answer.
- Select the odd one out from the following options: 2027 · 1 mark · MCQ
- The variation of magnetic susceptibility ($\chi$) with absolute temperature ($T$) for a diamagnetic substance is: (Recall) 2026 · 1 mark · MCQ
- Magnetic susceptibility ( $\chi$ ) of a material is found to decrease with the rise in its temperature. The material is: 2026 · 1 mark · MCQ
- If the magnetic susceptibility of a certain magnetic material is 0.0001, what is its relative permeability? 2026 · 1 mark · MCQ
- The relative permeability of substance ‘X’ is slightly less than one and that of substance ‘Y’ is slightly more than one. Then: 2025 · 1 mark · MCQ
- Study the data given below. Material Relative Permeability P 0.9999906 Q 1.000021 R 600 S 280,000 The material most suitable to… 2025 · 1 mark · MCQ
- The first diagram depicts a bar magnet of pole strength ‘m’ and separation between the poles ‘$\lambda$’. If the magnetic moment… 2025 · 2 marks · Short answer
- Observe the two diagrams and state which diagram corresponds to diamagnetic and ferromagnetic. 2025 · 2 marks · Short answer
- In a ferromagnetic material, all the atomic magnets have dipole moments in the same direction. 2025 · 1 mark · Assertion-reason
- Magnetic susceptibility of a diamagnetic substance: 2025 · 1 mark · MCQ
- Explain the meaning of the following statement: Curie temperature for soft iron is $770^\circ\text{C}$. 2024 · 1 mark · Short answer
- A substance behaves like a magnet only if there are: 2022 · 1 mark · MCQ
- What is the SI (base unit) unit of permeability? 2022 · 1 mark · MCQ
- Curie temperature is the temperature above which: 2020 · 1 mark · MCQ
- Define angle of dip. State the relation between magnetic susceptibility ($\chi$) and relative permeability ($\mu_r$) of a… 2020 · 2 marks · Short answer
- What is the angle of dip at a place where the horizontal component ($B_H$) and vertical component ($B_V$) of earth’s magnetic… 2019 · 1 mark · MCQ
- Explain the meaning of the statement: “Angle of dip at a certain place on earth is $60^\circ$.” If the horizontal component of… 2018 · 2 marks · Numerical
- Why is soft iron preferred to steel in making the core of a transformer? 2018 · 1 mark · Short answer
- Briefly explain the following terms: Curie temperature Self-induction 2018 · 2 marks · Short answer
- Explain Curie’s law for a paramagnetic substance. A rectangular coil having $60$ turns and area of $0\cdot4\text{ m}^2$ is held… 2018 · 2 marks · Short answer
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