MEDIUM
12th West Bengal Board
IMPORTANT
Earn 100

Distinguish between diamagnetic and paramagnetic substance in terms of its relative permeability μr and magnetic susceptibility X.

Important Questions on Magnetic Properties of Matter

EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 11
How does the magnetic permeability differ for dia- , para- and ferromagnetic materials? 
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 13
How does the intensity of magnetisation M→ differ in dia-, para- and ferromagnetic materials, when they are placed in an external magnetic field? 
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 14
What is relative permeability of a magnetic material? How is it related to magnetic susceptibility?
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 15
Does an iron bar magnet retain its magnetism when melted? Give a reason for your answer.
HARD
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 16
Compare the magnetic properties of steel and soft iron.
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 17
What is the basic use of a hysteresis curve?
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 18
Does the magnetisation of a paramagnetic salt depend on temperature? Justify your answer.
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 11 - Magnetic Properties of Matter>EXERCISE 11>Q 19
The susceptibility of a magnetic material is -0.085. Identify the magnetic type of the substance. A specimen of this material is kept in a uniform magnetic field. Draw the modified field pattern.