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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.
ohm; Omega; O (after G. Ohm, 1787-1854): The derived SI unit of electric resistance, described as the resistance among two points on a conductor while a constant potential dif
What are spatial effects? Representations of shooting stars, nebulas, comets and others, made with frequently thousands of individual animation illuminator and fibers.
what are some properties of transition metals
Action and reaction are always equal and opposite.Then,how does a body moves?
which electromagnetic wave is used to detect forged documents
Hookes Law Hooke's equation actually holds (to some extent) in several other situations whereas an elastic body is deformed, like as wind blowing on a tall building, a musician
(1) These rays transmitted in the forward direction of medium with a finite speed. (2) Energy and momentum are transmitted in the direction of propagation of waves without real
state biot savart''s law
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
Circular Polarisation Circular polarisation produced from a linearly polarised electromagnetic wave through a quarter-wave plate.
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