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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.
If instead of molecule, we assume a molecular of a monatomic gas, which having of a one atom, the translational motion can take place in any direction in space. Thus it can be solv
POPULATION INVERSION and LUMINOUS FLUX: POPULATION INVERSION: The process in which number of electrons (N ) in a higher2 energy state called metastable state of an active medi
In accrued model of a rotating diatomic molecule of (Cl 2 ), the two Cl atoms are 2.00´ 10? -10 m apart and rotate about their center of mass with angular speed w = 2.00 ´10 12 ra
A galaxy in the constellation UrsaMajor is receding from the earth at 15,000 km/s. If one of the characteristic wavelengths of the light the galaxy emits is 550 nm, what is the cor
Right-Hand Screw Rule In physics, the right-hand rule is a general mnemonic for understanding notation conventions for vectors in 3 dimensions. It was invented for use in elect
thery
defferent between work and heat
Q. Illustrate how are amps and watts related? Answer:- In a nutshell the power calculated in watts dissipated by a resistance is directly proportional to the square of the
Rectifier: Rectifier is a device that converts all alternating current or voltage into direct current or voltage is known as rectifier
A ring forming a magnetic circuit is made from two materials; one part is mild steel of mean length 25cm and cross-sectional area 4cm 2 , and the remainder is cast iron of mea
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