Download App

Magnetism And Matter — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsMagnetism And Matter1 Mark
Question
Can we have a single north pole? A single south pole?
✓

Answer

No we cannot have single pole magnet.

A magnet always has two poles.

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 "1 Marks Question" 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 long straight current carrying wire passes normally through the centre of circular loop. If the current through the wire increases, will there be an induced emf in the loop? Justify.
→
Assume that the total surface area of a human body is 1.6m2 and that it radiates like an ideal radiator. Calculate the amount of energy radiated per second by the body if the body temperature is 37°C. Stefan constant $\sigma$ is 6.0 × 10-8Wm-2K-4.
→
Write Coulomb's law.
→
A steel rod of cross-sectional area 4cm2 and length 2m shrinks by 0.1cm as the temperature decreases in night. If the rod is clamped at both ends during the day hours, find the tension developed in it during night hours. Young's modulus of steel = 1.9 × 1011N/m2.
→
The frequency of oscillation of the electric field vector of a certain electromagnetic wave is 5 × 1014Hz. What is the frequency of oscillation of the corresponding magnetic field vector and to which part of the electromagnetic spectrum does it belong?
→
With what purpose was famous Davisson-Germer experiment with electrons performed?
→
On joining resistances in parallel, the total resistance of the circuit will increase or decrease?
→
NaCl molecule is bound due to the electric force between the sodium and the chlorine ions when one electron. of sodium is transferred to chlorine. Taking the separation between the ions to be 2.75 × 10cm, find the force of attraction between them· State the assumptions (if any) that you have made.
→
An a.c. source of voltage $\text{V} = \text{V}_{o} \sin \omega \text{t}$ is connected to an ideal inductor. Draw graphs of voltage V and current i versus $\omega\text{t}.$
→
In a rectangular wire, due to a source of emf, a constant current is flowing from left to right. When the switch of the source is off, then what will be the direction of induced current in the wire?
→