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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
draw a force diagram for a baseball player who slows as he slides into the base?
4 transitor bias circuit
Q. Illustrate why does a tilted gyroscope not fall? Answer:- Depiction a spinning gyroscope that has its axis of rotation tilted with respect to gravity. Since the gyrosco
The signal which has only two values. I.e. either a constant high value of voltage or zero value is known as digital voltage signal
project
Thomson experiment; Kelvin effect (Sir W. Thomson [later Lord Kelvin]): While an electric current pass through a conductor whose ends are maintained at distinct temperatures,
explain the function of various type of screen in cro ?
Presbyopia: The accommodation power of a person is lost by which the suffers a long sightedness. It is known as Presbyopia or lack of accommodation.
when the body is uniform motion
How do you make a model of a free body diagram for a science project?
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