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Solid state simeconductor
It is main advantage is that it has much better resolution than NaI(Tl)It is main disadvantages are that it is not available in large sizes and it is much more expensive.
The principle of operation :its acts as a solid ionization chamber so it acts as an insulator and dose not allow current to flow until ionization has taken place in its volume. It kept very cold to minimize the current produced by thermal activation of electrons.
Collimator: it is used on the scintillation detector to limit its counting volume. It is a specially designed lead shield with one or more holes in
It has two types:1 – The open flat field collimator: it is useful for detecting gamma rays from a relatively large volume such as the thyroid or kidney.2- The focused collimator : it has a number of trapped holes oriented to point at a small volume 7.5 to 12.5 cm from it , it is often used in nuclear medicine
In terms of the wavelength of the pertinent light how thick must the layer of transparent optical coating on a transparent medium be in order to create maximum destructive interfer
Illustrate the mechanism of piezoelectric effect? Mechanism of Piezoelectric effect: Piezoelectric and inverse piezoelectric consequences are only exhibited through certain
a n-p-n transistor having a.c. current gain of 50 is to be used to make an amplifier of power gain 300. what will be the voltage gain of amplifer
why we called it
An elementary particle is: (1)An element present in a compound (2)An atom present in an element (3)A sub-atomic particle (4)A fragment of an atom Ans: (3)A s
expression for the interference in transmitted light through thin films
Kinds of graphs in physics
Transistor: An active semi-conductor device with three terminals that is emitter base and collector is known as transistor. Types of Transistor: There are two types of
A spectrometer is required for creating pure spectrum of a source in laboratory and measuring of ? of material of prism and ? of a transparent liquid. It has of three parts: Col
What is the force required to accelerate a mass of one kilogram one meter per second per second? Basically, you have defined the Newton. Force is the vector product of mass
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