by Sunday | Oct 8 | NABTEB QUESTIONS
Three instruments for detecting radiation from radioactive substances: – 1. Geiger – Muller tube/rate meter/Dekatron counter. 2. Ionization chamber 3. Scintillation counter 4. The cloud chamber 5. Solid-state detectors (reversed based semi conductor diode). 6....
by Sunday | Oct 8 | NABTEB QUESTIONS
Differences between the magnetic properties of steel and soft iron. Soft iron Steel Easily magnetized Not easily demagnetized Demagnetized Magnetized Have low coercive force Have large coercive force Have high permeability Low permeability Highly purified,...
by Sunday | Oct 8 | NABTEB QUESTIONS
The lines of force of a magnetic field do not cross because the line of force is the line along which a free N pole would tend to move if placed in the field or it is a line such that a tangent to it at any point gives the direction of the field at that point....
by Sunday | Oct 8 | NABTEB QUESTIONS
Suspend the magnet of known poles so that it can swing freely. Next, bring one pole of the other magnet near this. If they repel each other then they have similar poles while if they attract they are of opposite sign.
by Sunday | Oct 8 | NABTEB QUESTIONS
The pole of a magnet is that portion of the magnet where its magnetic attraction appears to be strongest.
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