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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.
Properties of light: The wavefronts can be of different shapes depending on the size and shape of light source and the distance from it. Huygens' principle states that every p
Carbon: Atomic number 6 Symbol C Atomic weight 12.011 Discovery Carbon exists fre
Q. The image of a small electric bulb fixed on the wall of a room is to be obtained on the opposite wall ma way by means of a large convex lens. What is the maximum possible focal
Thermonuclear reactions: The fusion reactions which require extremely high temperatures are called thermonuclear reactions. The most important thermonuclear reactions take plac
Vectors Representing Forces A force can be represented by a vector (drawn as an arrow). The arrow's length is related to the size of the force and the arrow's direction shows y
You watch a distant carpenter driving his nails into the side of a house at a regular rate of 1 stroke per second. You hear the sound of the blows exactly synchronized with the bl
Rectifier: Rectifier is a device that converts all alternating current or voltage into direct current or voltage is known as rectifier
Draw a picture of a moving source and the waves surrounding it according to what you observed in this experiment. How does the spacing of the wavefronts in front of the source comp
key dimensional features in connecting rod?
FULLERENE: The fullerene is a cage like hollow molecules composed of hexagonal and pentagonal groups of atoms, and especially those formed from carbon, that constitute the third
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