HARD
Earn 100
Discuss magnetization of a ferromagnetic material with help of toroid ring.
Important Questions on Matter and Magnetism
MEDIUM
The susceptibility of a magnetic material is . Identify the type of magnetic material. Draw the modification of the field pattern on keeping a piece of this material in a uniform magnetic field.
EASY
A soft ferromagnetic material is placed in an external magnetic field. The magnetic domains:
MEDIUM
Write three points of differences between para, dia, and ferromagnetic materials, giving one example for each.
EASY
Cobalt and Nickel are-
EASY
Which one of the following characteristics is not associated with a paramagnetic material?
EASY
Define diamagnetic and paramagnetic materials.
EASY
Classify the following materials with regard to magnetism: Manganese, cobalt, Nickel, Bismuth, Oxygen, Copper.
EASY
Distinguish between paramagnetic and diamagnetic materials in terms of susceptibility and their behaviour in an external non-uniform magnetic field.
EASY
A perfectly diamagnetic sphere has a small spherical cavity at its centre, which is filled with a paramagnetic substance. The whole system is placed in a uniform magnetic field . Then the field inside the paramagnetic substance is:
EASY
A paramagnetic sample shows a net magnetization of when placed in an external magnetic field of at a temperature of . When the same sample is placed in an external magnetic field of at a temperature of . The magnetization will be
MEDIUM
On the basis of atomic model of magnetism, differentiate among the paramagnetic, diamagnetic and ferromagnetic substances.
EASY
An example of a perfect diamagnet is a superconductor. This implies that when a superconductor is put in a magnetic field of intensity , the magnetic field inside the superconductor will be such that
EASY
What are paramagnetic substances? How does its magnetic susceptibility vary with temperature?
EASY
The magnetic susceptibility of a substance is . Name the type of magnetic substance it represents.
EASY
What is diamagnetic substances?
EASY
What a diamagnetic substance is brought near the north or south pole of a bar magnet, it is
MEDIUM
What is the value of relative magnetic permeability of perfectly diamagnetic substance.
EASY
Needles and are made of a ferromagnetic, a paramagnetic and a diamagnetic substance respectively. A magnet, when brought close to them, will
HARD
Nickel combines with a uninegative monodentate ligand to form a diamagnetic complex The hybridisation involved and the number of unpaired electrons present in the complex are respectively:
MEDIUM
Consider the regular array of vertical identical current-carrying wires (with the direction of current flow as indicated in the figure below) protruding through a horizontal table. If we scatter some diamagnetic particles on the table, they are likely to accumulate-
