Diamagnets Vs Paramagnets

Q.

The bond order of $\mathrm{CO}$ molecule on the basis of molecular orbital theory is ?

1. Zero

2. $2$

3. $3$

4. $1$

Q.

What is antiferromagnetic material?

Q.

Which is more paramagnetic ${\mathrm{Fe}}^{+2}\mathrm{or}{\mathrm{Fe}}^{+3}$

Q.

How do you know if paramagnetic or diamagnetic?

Q.

Permanent magnet is made of

1. Steel

2. soft iron

3. steel and soft iron

4. aluminium

Q.

Which of the following is diamagnetism?

1. Quartz

2. Nickel

3. Bismuth

4. Aluminum

Q. Which among the following magnetic materials move from stronger to weaker part of the field when suspended in external non-uniform magnetic field?

1. Diamagnetic
2. Both ferromagnetic and paramagnetic
3. Ferromagnetic
4. Paramagnetic

Q. Relative permeability and relative susceptibility of. Diamagnetic, , paramagnetic, , and ferromagnetic is ??

Q.

_____ grams of $3-\mathrm{Hydroxy}\mathrm{propanal}(\mathrm{MW}=74)$ must be dehydrated to produce $7.8\mathrm{g}$of acrolein $(\mathrm{MW}=56)\left({\mathrm{C}}_3{\mathrm{H}}_4\mathrm{O}\right)$ if the percentage yield is $64$.(Round off to the nearest integer)

(Given: Atomic masses : $\mathrm{C}:12.0\mathrm{u},\mathrm{H}:1.0\mathrm{u},\mathrm{O}:16.0\mathrm{u}$)

Q.

In a ferromagnetic material below the Curie temperature, a domain is defined as:

1. A macroscopic region with consecutive magnetic dipoles oriented in opposite directions.

2. A macroscopic region with zero magnetization.

3. A macroscopic region with saturation magnetization.

4. A macroscopic region with randomly oriented magnetic dipoles.

Q.

Explain the rate of change of magnetic flux due to change in the orientation of the loop.

Q.

Iron, cobalt, nickel and steel are called________

Q.

What is perfect diamagnetism?

Q. Diamagnetic materials get magnetised in a direction ______ to the external magnetic field.

1. parallel
2. perpendicular
3. opposite
4. at an angle

Q.

Cobalt is an example of a magnetic material.

1. True
2. False

Q.

Write two examples of ferromagnetic substance.

Q.

What type of material is used for making a permanent magnet?

Q.

The magnetic strength of the permanent magnet can be changed.

1. True
2. False

Q.

What is curie Weisss law?

Q. ntWHATARE THE VARIOUS EQUATIONSOF ELECTRIC FIELD OF A NON CONDUCTING CYLINDER AND A SPHERE?n

Q. Why does a magnet attracts certain materials?

Q.

The direction of the induced current is determined by using

1. Flemmings left-hand rule

2. Flemmings right-hand rule

3. right-hand thumb rule

4. clock-facing rule

Q. Magnetic susceptibility for a paramagnetic and diamagnetic materials is respectively

1. large, positive and small, negative
2. small, positive and small, positive
3. large, negative and large, positive
4. small, positive and small, negative

Q. A hydrogen atom is paramagnetic. A hydrogen molecule is :

1. Diamagnetic
2. Ferromagnetic
3. Paramagnetic
4. Antiferromagnetic

Q.

Write the correct statement:

The intermolecular space between atoms of tungsten is the highest.

Q. Which of the following is diamagnetism?

1. Nickel
2. Aluminium
3. Quartz
4. Bismuth

Q. Assertion :When diamagnetic material is placed in a non-uniform magnetic field, it tends to move from stronger to the weaker part of the magnetic field. Reason: Diamagnetic materials posses string magnetism.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q.

Which of the following is/are diamagnetic?

1. Bismuth
2. Antimony
3. Water
4. Chromium

Q. Identify the correctly matched pair :

1. Material - Soft ferromagneti Example - Alnico
2. Material - Diamagnetic Example - Gadolinium
3. Material - Hard ferromagneti Example - Copper
4. Material - Paramagnetic Example -Sodium
5. Material - Permanent magnet Example - Aluminium

Q. Super conductors are

1. Paramagnetic materials at high temperature
2. none of these
3. ferromagnetic material with low resistivity
4. most exotic diamagnetic materials