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Energy gap: 2.4ev.
The colour of pure cadmium sulphide is pale yellow. It melts only under at high temperature. It can be prepared in the resistivity range from 10 to about 1012Ω-cm depending on the presence of defects and the impurities. it can be prepared as an semiconductor device and is extremely difficult to produce P-type cadmium sulphide. It has been used commercially as a photo conductor for many years as well as constituent of cathode ray phosphorous.
(i) The procedure of ejection of electrons from a metal surface by the application of heat is known as thermionic emission and emitted electrons are known as thermions and current
Show the types of chromatic aberration. What do you understand by Fraunhoffer lines? Explain their origin.
A vertical spring generates simple harmonic motion with period 1sec. when a mass of 1gm suspended at the lower end of the spring, calculate the length through which the spring stre
state Biot sevart law.
BCS theory (J. Bardeen, L.N. Cooper, J.R. Schrieffer; 1957) A theory put forth to describe superconductivity and superfluidity both. This recommend that in the superconducting
A lead bullet moves horizontally with a velocity of 130 ms-1 and embedded into a cement wall after collision. If the specific heat capacity of lead = 130 JKg-1°C-1 and all heat pro
what is meant by small signal amplifiers
Identify the key terms in the wave function provided by
Can illuminators be computer controlled? Practically all can be computer controlled as well as illuminators are not an exception. Color discs, mechanical shutters and lamp volt
The cross-sectional areas of the pistons in the system shown below have a ratio of 25 to 1. If the maximum force that can be applied to the small piston is 12 N. What is the
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