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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.
A 50.0-g toy car travelling with a velocity of 3.00 m/s due north collides head-on with a 180.0-g fire truck travelling with a velocity of 0.50 m/s due south. The toys stick to
The process of apparent change in frequency (or wavelength) of the light because of relative motion among the source of light and the observer is known as Doppler's effect.
The elctric field in a certain region of space has components E x = 6.0 N/C, E y = 7.0 N/C, and E z = 0. Find the electric flux though the surface x = 6 y , 0 x
how nicol prism is constructed?
What are capacitors used for in induction coils
What is the condition for destructive interference in subject of phase difference between the two interfering waves?
Mercury: Atomic number 80 Symbol Hg
Ionisation: If the amount of external energy is large enough the valence electron can gain sufficient kinetic energy (energy of movement) to be removed completely from its atom
Question: In estimate the integral one evaluates in applying Ampere's Law one is Answer: The integral in Ampere's Law is a path integral and the path is an imaginary c
For an enzyme that follows Michealis-Menten kinetics, the initial velocity at different substrate concentration has been determined. [S] (mM) 0.1 0
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