Question
State two characteristic properties distinguishing the behaviour of paramagnetic and diamagnetic materials ?

Answer

Diamagnetic SubstancesParamagnetic Substances
1. They are feebly repeated by magnets.1. They are feebly by attracted magnets.
2. On placing in an external field these substances acquire feeble magnetisation in opposite direction of the magnetising field.2. On placing in an external field these substances acquire feeble magnetisation in direction of the magnetising field.

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

Similar questions

Derive the equation of the missing term in the Ampere circuital law $OR$ Derive the equation of displacement current and write its unit and definition.
Two large, thin metal plates are parallel and close to each other. On their inner faces, the plates have surface charge densities of opposite signs and of magnitude $17.0 \times 10–22 C/m^2$ . What is $E:$
  1. In the outer region of the first plate,
  2. In the outer region of the second plate, and
  3. Between the plates?
A compound microscope uses an objective lens of focal length $4 \ cm$ and eyepiece lens of focal length $10 \ cm$. An object is placed at $6 \ cm$ from the objective lens. Calculate the magnifying power of the compound microscope. Also calculate the length of the microscope.
How many time constants will elapse before the power delivered by a battery drops to half of its maximum value in an RC circuit?
Explain electric potential energy difference and discuss its important points.
At what time $t$ will the magnitude of sinusoidal alternating current will be (i) $1 / 2$ (ii) $\frac{1}{\sqrt{2}}$ times of its peak value?
The work function of a metal is $2.5 \times 10^{-19}J.$
  1. Find the threshold frequency for photoelectric emission.
  2. If the metal is exposed to a light beam of frequency $6.0 \times 10^{-14} Hz,$ what will be the stopping potential?
(i) Determine the resonant frequency of series L-C-R circuit.
(ii) A charged $30 \mu F$ capacitor is connected to a 27mH inductor. Find the frequency of free oscillations of the circuit.
A spherical volume contains a uniformly distributed charge of density $2.0 \times 10^{-4}Cm^{-3}.$ Find the electric field at a point inside the volume at a distance $4.0\ cm$ from the centre.
An ideal diode should pass a current freely in one direction and should stop it completely in the opposite direction. Which is closer to ideal-vacuum diode or a p-n junction diode?