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Which of the following is incorrect ?...

Which of the following is incorrect ?

A

Diamagnetic property is because of the induced dipole moment due to change in the orbital motion of electrons in atoms by the applied field

B

Paramagnetic property is primarily because of the unpaired electrons present in the atoms and molecules

C

Ferromagnetism arises due to spin-orbit interaction , due to which material gets divided into small regions called domains

D

None of these

Text Solution

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The correct Answer is:
D
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AAKASH INSTITUTE-MAGNETISM AND MATTER -Assignment Section - A Objective Type Questions (One option is correct)
  1. Liquid oxygen remains suspended between two pole faces of a magnet bec...

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  2. The magnetic flux has the dimension

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  3. Which of the following is incorrect ?

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  4. A magnet of magnetic moment M and having moment of inertia I , is susp...

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  5. The permeability of a specimen decreases drastically above certain tem...

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  6. Which of the following materials would weaken the magnetic field stren...

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  7. A magnetic needle lying parallel to a magnetic field requires X units ...

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  8. A hydrogen atom is a paramagnetic. A hydrogen molecule is –

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  9. At a certain place , the horizontal component of earth's magnetic fie...

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  10. A diamagnetic substance when placed gently in a magnetic field moves

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  11. A frog can be levitated in a strong magnetic field below it . This is ...

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  12. The direction of the null point is on the equatorial line of a bar mag...

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  13. Relative permeability of iron is 5500 . Its magnetic susceptibility is

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  14. Two similar magnets of magnets moments M(1) and M(2) are taken and vib...

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  15. If the earth's field induction at a place is 0.36 G and the angle of d...

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  16. Gauss's theorem is

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  17. In following symbols are having usual meaning then which of the follow...

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  18. The graph between chi and T for paramagnetic material will be represen...

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  19. The variation of magnetic susceptibility (chi) with temperature for di...

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  20. Which of the following magnetic field (static) lines are correctly rep...

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