Magnetism and Matter Test

Result

Magnetism and Matter Test - 38

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

Needles N₁, N₂ and N₃ are made of a ferromagnetic, a paramagnetic and a diamagnetic substance respectively. A magnet when brought close to them will

A
Attract N₁ strongly, N₂ weakly and repel N₃ weakly

B
Attract N₁ strongly, but repel N₂ and N₃ weakly

C
Attract all three of them

D
Attract N₁ and N₂ strongly but repel N₃
Question 2
4 / -1

Domain formation is the necessary feature of

A
Ferromagnetism

B
Paramagnetism

C
Diamagnetism

D
All of the above
Question 3
4 / -1

Which one of the following is not a characteristics of diamagnetism?

A
The diamagnetic materials are repelled by a bar magnet

B
The magnetic susceptibility of the materials is small and negative

C
The origin of dia magnetism is the spin of electrons

D
The material move from a region of strong magnetic field to weak magnetic field
Question 4
4 / -1

Choose the correct statement

A
A paramagnetic material tends to move from a strong magnetic field to weak magnetic field

B
A magnetic material is in the paramagnetic phase below its Curie temperature

C
The resultant magnetic moment in an atom of a diamagnetic substance is zero

D
The susceptibility of a ferromagnetic material is slightly greater than 1
Question 5
4 / -1

Two identical magnetic dipoles of magnetic moment 1.0 Am² each, placed at a separation of 2 m with their axes perpendicular to each other. The resultant magnetic field at a point midway between the dipoles is

A
5 × 10^–7 T

B

C
10^–7 T

D
None of these

Solution
Question 6
4 / -1

Two short magnets placed along the same axis with their like poles facing each other repel each other with a force which varies inversely as

A
Square of the distance

B
Cube of the distance

C
Distance

D
Fouth power of the distance

Solution
Question 7
4 / -1

Two identical short bar magnets, each having magnetic moment M, are placed a distance of 2d apart with axes perpendicular to each other in a horizontal plane. The magnetic induction at a point midway between them is

A

B

C

D

Solution
Question 8
4 / -1

A dip circle is adjusted so that its needle moves freely in the magnetic meridian. In this position, the angle of dip is 40° . Now the dip circle is rotated so that the plane in which the needle moves makes an angle of 30° with the magnetic meridian. In this position the needle will dip by an angle

A
40°

B
30°

C
More than 40°

D
Less than 40°

Solution
Question 9
4 / -1

A short bar magnet with its north pole facing north forms a natural point at P in the horizontal plane. If the magnet is rotated by 90° in the horizontal plane, the net magnetic induction at P is (Horizontal component of earth\'s magnetic field = B_H)

A
0

B

C

D

Solution
Question 10
4 / -1

The true value of angle of dip at a place is 60°, the apparent dip in a plane inclined at an angle of 30° with magnetic meridian is

A

B

C

D
None of these

Solution