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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.
Q. Explain basic working of Interference Filter? An interference filter, which reflects one of more spectral lines and transmits others, while maintaining a nearly zero coeffic
Who are the best system integrators? Being fairly the opposite of fiber optics manufacturers, system producers are generally small companies. In this case size has the opposite
A microphone is attached to a spring that is suspended from the ceiling. Directly below on the floor is a stationary 440 Hzsource of sound. The microphone vibrates up and down in s
Centrifugal force with a beaded chain Secure a length of beaded chain like that frequently used for pull cord on electric light switches or for key chains. Fasten the ends toge
Uses of Radio Isotopes: Industries: 1. Radio active isotopes are used to detect leakage in pipes. 2. It estimates weak and tear machine tools. 3. It is used to check t
DESCRIBE DEWAR FLASK
A constant force of 10N is applied perpendicular to rod placed on 2 parallel rails .If the rod is having a resistance 10ohm but rails have zero resistance then maximum speed of rod
What is a Newton meter? A unit of energy also called a Joule. When a force of 1 Newton is applied on an object for a distance of 1 meter then 1 Joule of energy is used. It is t
what are the necessary conditions for a body to execute simple harmonic motion?
Draw the phasor diagram for an ideal transformer on no-load. (a) A 500 V/100V, single-phase transformer takes a full load primary current of 4A. Neglecting losses, Verify
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