Question
What is paramagnetic substance?
✓
Answer
The substance which on keeping in any magnetic field are slightly magnetized in the direction of the field and are attracted towards the ends of a powerful magnet when brought near it are known as paramagnetic substances and this property is known as Para magnetism.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
In a photoelectric effect, the yellow light is just able to emit electrons, will green light emit photoelectrons? What about red light?
Can we conclude from the interference phenomenon whether light is a transverse wave or a longitudinal wave?
Figure shows a wire sliding on two parallel, conducting rails placed at a separation l. A magnetic field B exists in a direction perpendicular to the plane of the rails. What force is necessary to keep the wire moving at a constant velocity v?
The steam point and the ice point of a mercury thermometer are marked as $80^\circ$ and $20^\circ$. What will be the temperature on a centigrade mercury scale when this thermometer reads $32^\circ?$
→Describe schematically the equipotential surfaces corresponding to:
- a constant electric field in the z-direction.
- a field that uniformly increases in magnitude but remains in a constant (say, z) direction.
- a single positive charge at the origin, and.
- a uniform grid consisting of long equally spaced parallel charged wires in a plane.
Can the potential function have a maximum or minimum in free space?
In a double slit interference experiment, the separation between the slits is 1.0mm, the wavelength of light used is $5.0 \times 10^{-7}m$ and the distance of the screen from the slits is 1.0m.
→- Find the distance of the centre of the first minimum from the centre of the central maximum.
- How many bright fringes are formed in one centimeter width on the screen?
Why are elemental dopants for Silicon or Germanium usually chosen from group XIII or group XV?
Provide explanation of Energy bands, valence band and conduction band.
What effect does the dielectric medium have on the capacitance of a capacitor?