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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
X-rays was discovered by scientist Rontgen that's why they are also known as Rontgen pulses. Rontgen discovered that when pressure inside a discharge tube kept 10 -3 mm of Hg a
I want to measure H, not B The magnets in question are permanent magnets (large Neo or SmCo magnets), not coils ============================== Steel _______
The satellites which seem at rest relative to earth or which has same angular velocity as that of earth's rotation i.e. with a time phase of 24 hours, such satellite have to be ope
In physics, the phrase thermal equilibrium is used sometimes in the common parlance of the ordinary language of physical discourse, and sometimes as a specialized technical term in
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
give me assignment on force
Write down the electromagnetic wave equation for free space in terms of electric field.
mass=volume * density.By using this formula we can find the mass of sphere. Volume of sphere=(4/3)pi*r^3 V=(4/3)*3.14*(1*10^-2)^3=4.187*10^-6 Mass=(4.187*10^-6)*900=3768*10^-6kg
some details about wave
The earth’s magnetic field: The earth acts as a magnet and the lines of force produced by it follow the pattern shown in the diagram below. If the Earth were completely symm
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