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GALLIUM PHOSPIDE: It has band gap of 2.3ev. it can be used for light emitting diodes which can emit green or red light. The red light is obtained with zinc or cadmium oxide doping.
SELENIUM: It is found in crystalline and non-crystalline form. It is used as rectifier material for photo voltaic cells and for xerographic printing. Selenium films are used as photo electric light meters. Its melting point is 2200C.
LEAD: it is soft heavy and bluish gray metal. It is highly resistant to many chemical actions but can corrode by nitric acid, lime and rotten organic substances. Lead and its compounds are toxic. It is mechanically weak it cannot withstand vibrations at high temperatures. It alloys easily with Tin and zinc and forms many commercial alloys, including solders and bearing metals.
Accelaration is the rate of change of velocity.It defines how velocity is chaging with respect to time.
what is the angle of incidence when the refracted and the reflected ray are parallel to one another? does this angle depend on the wavelength of light? Ans) The angle of inciden
expression of optical rotation based on his assumptions
I am responding to your letter of about six weeks ago asking for an adjustment on your wireless hub, model WM39Z. We test all our products before they leave the factory; therefore,
One of the most important theorems in the quantum physics in the Pauli Exclusion Principle, which is based on the experiment observations. The principle explains that “No two elect
COMPARATOR EQUATION USED TO DETERMINE THE CONCENTRATION OF ELEMENTS
It is the distance travelled by the disturbance in single time period. It only relays on the properties of the medium and it independent of time and position.
Weiss constant: A characteristic constant based on the material, utilized in calculating the susceptibility of paramagnetic materials.
why one side of glass has been coated with silver..?
Two tiny objects with equal charges of 71.0 µC are placed at two corners of a square with sides of 0.340 m, as shown. How far above and to the left of the corner of the square labe
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