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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
what is radius of curvature?
Find amplitude of electric field ina parallel beam of light of intensity 2W/m2 Ans: Given that intensity I=power/area=2W/M2 by using this formula :intensity I=(Emax^2/2c mue not
A particle executes linear some with an amplitude if 2 cm.when the particle is at 1cm from the mean position the magnitude of its velocity is equal to that of its acceleration.Then
Is the fiber end important? So far as the actual light output the fiber termination has little affects on the overall light output. However, it is very important; while at the
Determine range of V for obtaining a regulated voltage demonstrated in Figure. For the data 0 ≤ I L ≤ 4 mA 2 ≤ I Z ≤ 8 mA Ans: Determination of range of V for
indicate the process of heat exchange that does not depend on temperature difference between human skin and enviroment a: convection b: evaporation c: radiation d: conduction
how to you calculate the inducatnce on a balanced delta circuit?
what is the physical significance of damping constent
A ball is thrown vertically upwards from the ground with a speed of 80 feet/second. In the English system of units, Determine the magnitude and direction of the acceleration
Determine the potential and field due to a short dipole of dipole moment 5.0 X 10 -16 coulomb-cm at a point distant 1 cm from it. (a) on its axis (b) on its perpendicular bi
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