Download App

Magnetism And Matter — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsMagnetism And Matter1 Mark
MCQ
A paramagnetic material is kept in a magnetic field. The field is increased till the magnetization becomes constant. If the temperature is now decreased, the magnetization:
  • A
    Will decrease.
  • ✓
    Will increase.
  • C
    Remain constant.
  • D
    May increase or decrease.
✓

Answer

Correct option: B.
Will increase.

As it's clearly visible from the graph that for a paramagnetic material magnetization increases with decrease in temperature.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Magnetism And Matter→Magnetism And Matter — all question types→Physics STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

A problem of practical interest is to make a beam of electrons turn at $90^{\circ}$ corner. This can be done with the parallel plates shown in figure. An electron with kinetic energy $8.0 \times 10^{-17} J$ enters through a small hole in the bottom plate. The strength of electric field that is needed if the electron is to emerge from an exit hole 1.0 cm away from the entrance hole, traveling at right angles to its original direction is........... $\times 10^5 N / C$.
→
A convex lens has 9 cm focal length and a concave lens has – 18 cm focal length. The focal length of the combination in contact will be
→
A building has two overhead water tanks, each fitted with a sensor $(S_1, S_2)$ which goes to $0$ when the water level in the tank falls below a set value and remains $1$ otherwise. A common pump is used to raise water from an underground storage tank to these overhead tanks. Of the following circuits, which one will turn on $(P =1)$ the pump only when at least one of the tanks have water level below the set value?
→
A $60\; pF$ capacitor is fully charged by a $20\; \mathrm{V}$ supply. It is then disconnected from the supply and is connected to another uncharged $60 \;pF$ capactior is parallel. The electrostatic energy that is lost in this process by the time the charge is redistributed between them is (in $nJ$)
→
The electrical resistance of depletion layer is large because
→
Consider two observers moving with respect to each other at a speed v along a straight line. They observe a bock of mass m moving a distancel on a rough surface. The following quantities will be same as observed by the two observers.
→
Which of the following units denotes the dimension $\frac{{M{L^2}}}{{{Q^2}}}$ where $Q$ denotes the electric charge?
→
In the adjoining figure, four capacitors are shown with their respective capacities and the $P.D.$ applied. The charge and the $P.D.$ across the $4\,\mu F$ capacitor will be
→
$4 eV$ is the energy of the incident photon and the work function in $2eV.$ What is the stopping potential ............. $V$ 
→
A current $i$ ampere flows along the inner conductor of a coaxial cable and returns along the outer conductor of the cable, then the magnetic induction at any point outside the conductor at a distance $r$ metre from the axis is
→