Download App

Magnetism and Matter Physics - Magnetism and Matter

Rajasthan Board (RBSE) - STD 12 Science - Physics (Rajasthan - English Medium). 88 questions in this chapter.

Question types

Magnetism and Matter question types

88 questions across 7 question groups — pick any mix to generate a Physics paper with step-by-step answer keys.

88
Questions
7
Question groups
5
Question types
Sample Questions

Magnetism and Matter questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1M.C.Q (1 Marks)1 Mark
Relative electrical conductivity and relative magnetic permeability of a substance is $\epsilon_r$ and $\mu_r$ What are the probable values of these quantities for any dimagnetic substance?
View full solution →
Q 5M.C.Q (1 Marks)1 Mark
A magnet whose magnetic moment is $50 \hat{i} Am ^2$. It is kept in an magnetic field $\vec{B}=(0.5 \hat{i}+3.0 \hat{j}) T$ along the direction of $x$-axis. The torque acting on the magnet is :
View full solution →
Q 81 Marks Question1 Mark
A magnet of magnetic moment m is first cut perpendicular to its length and then perpendicular to its breadth into n equal parts, then calculate magnetic moment of each part.
View full solution →
Q 142 Marks Questions2 Marks
Name two substances out of which magnetic susceptibility of one is positive and of other negative. What does negative magnetic susceptibility represent?
View full solution →
Q 152 Marks Questions2 Marks
A bar magnet is kept in a uniform magnetic field such that its magnetic moment is at an angle with the direction of $\overrightarrow{ B }$. Write an expression for potential energy of this system. When it will be minimum?
View full solution →
Q 163 Marks Question3 Marks
Magnetic moment of a small bar magnet is 0.24 newton metre tesla ${ }^{-1}$. Calculate magnetising field of the magnet at a distance of 10 cm from the centre of the magnet on its axis.
View full solution →
Q 173 Marks Question3 Marks
0.5 A of current is flowing through a coil of 25 turns and area $200 cm^2$. What is the pole strength of 10 cm length of bar magnet whose magnetic moment is equal to magnetic moment of the coil?
View full solution →
Q 183 Marks Question3 Marks
A coil of area $5 cm^2$ is kept in a uniform magnetising field of $2.5 N / Am$. Number of turns in the coil is 100 . If 0.2 A of current is flowing, then calculate:
(a) Magnetising dipole moment,
(b) Maximum moment of force.
View full solution →
Q 224 Marks Questions4 Marks
(a) An electron is revolving with a speed of 2 $\times 10^5 m / s$ in the orbit of radius $0.51 A$ in a hydrogen atom. Calculate the magnetic moment of the electron.
(b) Equivalent electric current due to orbital speed of electron.
(c) Magnetic field generated at the centre of the nucleus.
View full solution →
Q 234 Marks Questions4 Marks
A bar magnet whose area of cross-section is $0.25 cm^2$ is kept in a magnetising field of intensity of $5000 A / m$. If magnitude of magnetic flux passing through the bar is $2.5 \times 10^{-5}$ weber, then calculate :(a) Magnetic induction (b) Magnetic susceptibility (c) Intensity of magnetisation.
View full solution →
Q 244 Marks Questions4 Marks
If the radius of a circular current carrying coil is doubled and the current flowing through it is reduced to half, then what will be effect on magnetic moment?
View full solution →
Q 275 Marks Questions5 Marks
By explaining diamagnetic, paramagnetic and ferromagnetic substances, analyse their characteristic properties.###Define diamagnetic, paramagnetic and ferromagnetic substances and analyse their characteristics on the basis of (a) reason for magnetic property (b) relative magnetic permeability (c) magnetic susceptibility (d) intensity of magnetisation (e) magnetic induction.
View full solution →
Q 285 Marks Questions5 Marks
Compare three magnetic substances on the basis of following properties :
(i) Behaviour in magnetic field
(ii) Main reason for magnet formation
(iii) Behaviour in non-uniform magnetic field
(iv) Behaviour on bringing magnetic pole near
(v) Magnitude of $\mu_r$
(vi) Number of field lines passing through substance in magnetic field
(vii) Direction of magnetisation.
View full solution →
Q 295 Marks Questions5 Marks
Define the following and establish relation between them : (i) intensity of magnetisation (ii) magnetisation field (H) (iii) magnetic susceptibility $\chi$, (iv) magnetic permeability.###Explain permeability, susceptibility, intensity of magnetisation and magnetisation field $( H )_{ X }$ and state their units. Establish relation between them in M.K.S. system.
View full solution →
Browse all question groups ↑

Generate a Magnetism and Matter paper free

Pick question groups from the list above, set marks and difficulty, and export a branded PDF with step-by-step answer keys. First 3 chapters free — no signup.

Download App
Generate Paper FreeAll Physics chapters