MCQ
A bar magnet is cut into two equal halves parallel to its magnetic axis. The physical quantity that remains unchanged is:
- Amoment of inertia
- Bpole strength
- Cmagnetic moment
- Dmagnitude of magnetisation
✓
Answer
(d) magnitude of magnetisation
Explanation: magnitude of magnetisation
Explanation: magnitude of magnetisation
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
If in the circuit, power dissipation is 150 W, then R is
|
(a) 2 W |
(b) 6 W |
(c) 5 W |
(d) 4 W |
Unpolarized light falls first on polarizer (P) and then on analyzer (A). If the intensity of the transmitted light from the analyser is $\frac{1}{8}\text{th}$ of the incident unpolarized light. What will be the angle between optic axes of P and A?
→Two electrons in an atom are moving in orbit of radii R and 9R respectively. The ratio of their frequencies will be:
If a dielectric introduced between the plates of a parallel plate condenser, then which of the following is possible:
Each plate of a parallel plate capacitor has a charge q on it. The capacitor is now connected to a batter. Now:
The correct curve between the stopping potential (V) and intensity of incident light (I) is
|
(a)
|
(b)
|
(c)
|
(d)
|
The light reflected by a plane mirror may form a real image
|
(a) If the rays incident on the mirror are diverging |
|
(b) If the rays incident on the mirror are converging |
|
(c) If the object is placed very close to the mirror |
|
(d) Under no circumstances |
Boolean expression for NAND gate is :
The diffusion current in a p-n junction is:
Find the approximate value of induced current assuming the resistance to the current is confined to the square.
