03. Magnetism, Magnetic Properties and Magnetisation
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Magnetism and Matter

154412 $\chi_{1}$ and $\chi_{2}$ are susceptibility of a paramagnetic material at temperatures $T_{1} K$ and $T_{2} \quad K$ respectively, then :

1 $\chi_{1}=\chi_{2}$
2 $\chi_{1} \mathrm{~T}_{1}=\chi_{2} \mathrm{~T}_{2}$
3 $\chi_{1} \mathrm{~T}_{2}=\chi_{2} \mathrm{~T}_{1}$
4 $\chi_{1} \sqrt{\mathrm{T}_{1}}=\chi_{2} \sqrt{\mathrm{T}_{2}}$
Magnetism and Matter

154421 A long magnet is cut into two equal parts, such that the length of each half is same as that of original magnet, if the time period of original magnet is $T$, the time period of new magnet is

1 $\mathrm{T}$
2 $\frac{T}{2}$
3 $\frac{T}{4}$
4 $2 \mathrm{~T}$
Magnetism and Matter

154424 A bar magnet of pole strength $10 \mathrm{Am}$ is cut into two equal parts breadthwise. The pole strength of each magnet is

1 $5 \mathrm{Am}$
2 $10 \mathrm{Am}$
3 $15 \mathrm{Am}$
4 $20 \mathrm{Am}$
Magnetism and Matter

154444 There are four light weight rod samples $A, B, C$ and $D$ separately suspended by thread. A bar magnet is slowly brought near each sample and the following observations are noted
(i) A is feebly repelled
(ii) $\mathrm{B}$ is feebly attracted
(iii) $\mathrm{C}$ is strongly attracted
(iv) D remains unaffected
Which one of the following is true ?

1 $\mathrm{C}$ is of a diamagnetic material
2 $\mathrm{D}$ is of a ferromagnetic material
3 $\mathrm{A}$ is of a non-magnetic material
4 $\mathrm{B}$ is of a paramagnetic material
Magnetism and Matter

154412 $\chi_{1}$ and $\chi_{2}$ are susceptibility of a paramagnetic material at temperatures $T_{1} K$ and $T_{2} \quad K$ respectively, then :

1 $\chi_{1}=\chi_{2}$
2 $\chi_{1} \mathrm{~T}_{1}=\chi_{2} \mathrm{~T}_{2}$
3 $\chi_{1} \mathrm{~T}_{2}=\chi_{2} \mathrm{~T}_{1}$
4 $\chi_{1} \sqrt{\mathrm{T}_{1}}=\chi_{2} \sqrt{\mathrm{T}_{2}}$
Magnetism and Matter

154421 A long magnet is cut into two equal parts, such that the length of each half is same as that of original magnet, if the time period of original magnet is $T$, the time period of new magnet is

1 $\mathrm{T}$
2 $\frac{T}{2}$
3 $\frac{T}{4}$
4 $2 \mathrm{~T}$
Magnetism and Matter

154424 A bar magnet of pole strength $10 \mathrm{Am}$ is cut into two equal parts breadthwise. The pole strength of each magnet is

1 $5 \mathrm{Am}$
2 $10 \mathrm{Am}$
3 $15 \mathrm{Am}$
4 $20 \mathrm{Am}$
Magnetism and Matter

154444 There are four light weight rod samples $A, B, C$ and $D$ separately suspended by thread. A bar magnet is slowly brought near each sample and the following observations are noted
(i) A is feebly repelled
(ii) $\mathrm{B}$ is feebly attracted
(iii) $\mathrm{C}$ is strongly attracted
(iv) D remains unaffected
Which one of the following is true ?

1 $\mathrm{C}$ is of a diamagnetic material
2 $\mathrm{D}$ is of a ferromagnetic material
3 $\mathrm{A}$ is of a non-magnetic material
4 $\mathrm{B}$ is of a paramagnetic material
Magnetism and Matter

154412 $\chi_{1}$ and $\chi_{2}$ are susceptibility of a paramagnetic material at temperatures $T_{1} K$ and $T_{2} \quad K$ respectively, then :

1 $\chi_{1}=\chi_{2}$
2 $\chi_{1} \mathrm{~T}_{1}=\chi_{2} \mathrm{~T}_{2}$
3 $\chi_{1} \mathrm{~T}_{2}=\chi_{2} \mathrm{~T}_{1}$
4 $\chi_{1} \sqrt{\mathrm{T}_{1}}=\chi_{2} \sqrt{\mathrm{T}_{2}}$
Magnetism and Matter

154421 A long magnet is cut into two equal parts, such that the length of each half is same as that of original magnet, if the time period of original magnet is $T$, the time period of new magnet is

1 $\mathrm{T}$
2 $\frac{T}{2}$
3 $\frac{T}{4}$
4 $2 \mathrm{~T}$
Magnetism and Matter

154424 A bar magnet of pole strength $10 \mathrm{Am}$ is cut into two equal parts breadthwise. The pole strength of each magnet is

1 $5 \mathrm{Am}$
2 $10 \mathrm{Am}$
3 $15 \mathrm{Am}$
4 $20 \mathrm{Am}$
Magnetism and Matter

154444 There are four light weight rod samples $A, B, C$ and $D$ separately suspended by thread. A bar magnet is slowly brought near each sample and the following observations are noted
(i) A is feebly repelled
(ii) $\mathrm{B}$ is feebly attracted
(iii) $\mathrm{C}$ is strongly attracted
(iv) D remains unaffected
Which one of the following is true ?

1 $\mathrm{C}$ is of a diamagnetic material
2 $\mathrm{D}$ is of a ferromagnetic material
3 $\mathrm{A}$ is of a non-magnetic material
4 $\mathrm{B}$ is of a paramagnetic material
Magnetism and Matter

154412 $\chi_{1}$ and $\chi_{2}$ are susceptibility of a paramagnetic material at temperatures $T_{1} K$ and $T_{2} \quad K$ respectively, then :

1 $\chi_{1}=\chi_{2}$
2 $\chi_{1} \mathrm{~T}_{1}=\chi_{2} \mathrm{~T}_{2}$
3 $\chi_{1} \mathrm{~T}_{2}=\chi_{2} \mathrm{~T}_{1}$
4 $\chi_{1} \sqrt{\mathrm{T}_{1}}=\chi_{2} \sqrt{\mathrm{T}_{2}}$
Magnetism and Matter

154421 A long magnet is cut into two equal parts, such that the length of each half is same as that of original magnet, if the time period of original magnet is $T$, the time period of new magnet is

1 $\mathrm{T}$
2 $\frac{T}{2}$
3 $\frac{T}{4}$
4 $2 \mathrm{~T}$
Magnetism and Matter

154424 A bar magnet of pole strength $10 \mathrm{Am}$ is cut into two equal parts breadthwise. The pole strength of each magnet is

1 $5 \mathrm{Am}$
2 $10 \mathrm{Am}$
3 $15 \mathrm{Am}$
4 $20 \mathrm{Am}$
Magnetism and Matter

154444 There are four light weight rod samples $A, B, C$ and $D$ separately suspended by thread. A bar magnet is slowly brought near each sample and the following observations are noted
(i) A is feebly repelled
(ii) $\mathrm{B}$ is feebly attracted
(iii) $\mathrm{C}$ is strongly attracted
(iv) D remains unaffected
Which one of the following is true ?

1 $\mathrm{C}$ is of a diamagnetic material
2 $\mathrm{D}$ is of a ferromagnetic material
3 $\mathrm{A}$ is of a non-magnetic material
4 $\mathrm{B}$ is of a paramagnetic material