Advertisements
Advertisements
प्रश्न
Which of the following arrangements shows schematic alignment of magnetic moments of antiferromagnetic substances?
पर्याय
Advertisements
उत्तर

Explanation:
| Antiferro- magnetic |
This arises when net dipole is zero. This arises due to alignment of dipoles in equal and opposite direction. |
↑ ↓ ↑ ↓ ↑ ↓ Here dipoles |
MnO, MnO2, |
– |
APPEARS IN
संबंधित प्रश्न
What type of magnetism is shown in the following alignment of magnetic moments?

Write the type of magnetism observed when the magnetic moments are aligned in parallel and anti-parallel directions in unequal numbers.
Analysis shows that nickel oxide has the formula Ni0.98O1.00. What fractions of nickel exist as Ni2+ and Ni3+ ions?
Explain the following with suitable examples:
Paramagnetism
Explain the following with suitable examples:
Antiferromagnetism
Give reasons:Ferrimagnetic substances show better magnetism than antiferromagnetic substances.
What is magnetic susceptibility?
Give the properties of dia/para/ferromagnetic materials.
What happens to the domains in a ferromagnetic material in the presence of external magnetic field?
Compare the properties of soft and hard ferromagnetic materials.
Substances which are weakly repelled in magnetic field are known as ____________.
When heated to high temperature, ferromagnetic substance changes to ____________.
Fe3O4 (magnetite) is an example of ___________.
A ferromagnetic substance becomes a permanent magnet when it is placed in a magnetic field becuase ______.
Which of the following statements are correct?
(i) Ferrimagnetic substances lose ferrimagnetism on heating and become paramagnetic.
(ii) Ferrimagnetic substances do not lose ferrimagnetism on heating and remain ferrimagnetic.
(iii) Antiferromagnetic substances have domain structures similar to ferromagnetic substances and their magnetic moments are not cancelled by each other.
(iv) In ferromagnetic substances all the domains get oriented in the direction of magnetic field and remain as such even after removing magnetic field.
Which of the following is not a ferroelectric compound?
Among the following ions, which one has the highest paramagnetism?
The metal complex ion that is paramagnetic is ______.
(Atomic number of Fe = 26, Cu = 29, Co = 27 and Ni = 28)



