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ENERGY LEVELS
The energy levels, measured in electron volts (e.v.) in which orbiting electrons exist comply with a law of physics which states that energy can be given to electrons only in discrete amounts (quanta) which means that there are energy values that an electron cannot acquire. From this it can be deducted that there is a forbidden energy gap between each of the allowed energy bands K to O.
The width of the forbidden energy gap between the top of the valence band and the bottom of the conduction band determine the electrical conducting properties of materials.
Define Teacup Engine? The astronaut was calmly drinking tea at five o'clock galactic time, as was his wont, when he had an urgent situation outside the shuttle and he had to do
Mechanical energy E of particle, system or object is explained as the sum of kinetic energy K and potential energy U, i.e. E = K + U. It is a scalar quantity having dimensions [ML
Fig.of conical prism
the use and working principle of thermoelectric thermometer
Low resistivity materials: The conducting materials having resistivity between 10 -8 to 10 -6 ohm-m come under this category and are used in house wiring, as conductors for powe
Illustrate the characteristics of a sound note. What do you mean by Resonance? Illustrate with an example.
Describe Kirchoffs Current Law? Ans. It defines " the current flowing toward a point in a circuit have to be equal to the current flowing away from that point. I = I 1 + I
x-ray and e ray
Snell's Law: The ratio of sine of angle of incidence to the sine of angle of refraction is constant for all rays passing from one medium to another medium. That is Sini/Sinr
Illustrate the current-voltage (I-V) characteristic curves if a junction diode in reverse and forward bias.
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