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Test: Magnetic Properties of Solids (Old NCERT) - NEET MCQ


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5 Questions MCQ Test NCERT Based Tests for NEET - Test: Magnetic Properties of Solids (Old NCERT)

Test: Magnetic Properties of Solids (Old NCERT) for NEET 2024 is part of NCERT Based Tests for NEET preparation. The Test: Magnetic Properties of Solids (Old NCERT) questions and answers have been prepared according to the NEET exam syllabus.The Test: Magnetic Properties of Solids (Old NCERT) MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Magnetic Properties of Solids (Old NCERT) below.
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Test: Magnetic Properties of Solids (Old NCERT) - Question 1

Paramagnetic substances are magnetised in a magnetic field in the same direction. Paramagnetism is due to the presence of:

Detailed Solution for Test: Magnetic Properties of Solids (Old NCERT) - Question 1

Paramagnetic materials have a small, positive susceptibility to magnetic fields. These materials are slightly attracted by a magnetic field and the material does not retain the magnetic properties when the external field is removed. Paramagnetic properties are due to the presence of some unpaired electrons, and from the realignment of the electron paths caused by the external magnetic field.

Test: Magnetic Properties of Solids (Old NCERT) - Question 2

Fe3O4 is ferrimagnetic at room temperature but at 850 K, it becomes:

Detailed Solution for Test: Magnetic Properties of Solids (Old NCERT) - Question 2

At 850K, Fe3O4 becomes paramagnetic

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Test: Magnetic Properties of Solids (Old NCERT) - Question 3

Which of the following metal oxides is antiferromagnetic in nature?

Detailed Solution for Test: Magnetic Properties of Solids (Old NCERT) - Question 3

MnO2 is antiferromagnetic in nature.

Test: Magnetic Properties of Solids (Old NCERT) - Question 4

Ferrimagnetic is observed when the magnetic moments of the domains in the substance are?

Detailed Solution for Test: Magnetic Properties of Solids (Old NCERT) - Question 4

A ferrimagnetic material is defined as one in which the magnetic dipole of the atoms on different sublattices are opposed as in antiferromagnetism but in ferrimagnetic materials, opposing moments are unequal and a spontaneous net magnetization remains.

Test: Magnetic Properties of Solids (Old NCERT) - Question 5

Match the column I with column II and mark the appropriate choice.

Detailed Solution for Test: Magnetic Properties of Solids (Old NCERT) - Question 5

In ferromagnetic materials, When a magnetizing force is applied, the domains become aligned to produce a strong magnetic field within the part. So, its correct match is (iii).
A ferrimagnetic material is defined as one in which the magnetic dipole of the atoms on different sublattices are opposed as in antiferromagnetism but in ferrimagnetic materials, opposing moments are unequal and a spontaneous net magnetization remains. So, its correct match is (i)
These are materials in which electron spins associated with magnetic atoms at particular crystallographic sites are ordered yet oriented with respect to each other in such a manner that their net magnetization is equal to zero. So, its correct match is (ii).
Diamagnetic materials are those in which the electron motions are such that they produce net zero magnetic moment in the absence of any magnetic field. Typically these are atoms with closed or filled outer electron shells. So, its correct match is (iv).
Paramagnetic materials possess a permanent magnetic dipole moment due to incomplete cancellation of electron spin and orbital magnetic moment. So, its correct match is (v).

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