HARD
12th West Bengal Board
IMPORTANT
Earn 100

What is Curie's point? What happens to the magnetic domains at and above this temperature?

Important Questions on Magnetic Properties of Matter

HARD
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 36
A material is heated up above Curie temperature and then cooled down below it. What would happen to the material ?
HARD
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 37
What are spontaneously magnetised domain? How are they distributed in a ferromagnetic material in absence of any magnetic field?
HARD
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 38
'Magnetic properties of materials are ultimately due to the behaviour of electrons in the atoms'-comment.
HARD
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 39
What is Bohr magnetron?
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 1
Explain clearly what are meant by the terms magnetisation and magnetizing field intensity.
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 2
Define the term permeability, relative permeability and susceptibility of a substance.
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 3
What is relation between relative permeability and susceptibility of a substance.
 
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 4
Distinguish between diamagnetic, paramagnetic and ferromagnetic substances. Give two examples of each.