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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
Type 1 and type 2 superconductors: For one group of SUPERCONDUCTOR in which below H c is in the Meissner state, where it excludes all the magnetic flux from the interior of the
when to identical cells are connected either in series or parallel across a 2 ohm resistor they send the same current through it calculate the internal resistance of each cell?
Rutherford's alpha-scattering experiment recognized that the mass of atom is concentrated with small positively charged region at the centre which is known as 'nucleus'. Nuclei
What do you mean by dispersion of light? What is deviation given by a thin prism of angle 80 and refractive index is 1.5? For what angle of incidence, Snell's law is not working
Explain the exact process of Neodymium-Yttrium-Aluminium-Garnet Laser. While the flash lamp is switched start, the intense beam of white light through the lamp excites the Nd3+
why do electric field lines contract longitudinally
POPULATION INVERSION and LUMINOUS FLUX: POPULATION INVERSION: The process in which number of electrons (N ) in a higher2 energy state called metastable state of an active medi
Students are required to prepare a one page mini-poster explanation of an application of Physics in a Technological, Biomedical, Biological or Engineering context. It is essential
Carbon: Atomic number 6 Symbol C Atomic weight 12.011 Discovery Carbon exists fre
Collision
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