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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
If a ball thrown horizontally with a velocity of 20m/s from a tower meters high, after how long will it strike the ground?
Q. What are de Broglie waves? Matter in motion should be accompanied by waves called de Broglie waves. de Broglie wavelength λ = h / mv
If A=3i+j+3k, B=-2i-4j-3k and c=2i+4j+3k. Find a unit vector parallel to 3A-2B+4C
i want to do experiment online
write a note on pascal discovry in helping to make hydrolic jacks
which theorem is better among all network theorems
Energy: The term energy may be defined as the capacity for doing work. There are two forms of energy: potential energy and kinetic energy. POTENTIAL ENERGY Potential e
The airplane shown in the figure is to achieve "weightlessness" for a short period of time by flying along a curved path such that it's acceleration components in x direction a x
Define coherence and explain temporal and spatial coherence. Show that visibility is a maxim of coherence. Define the 'Q' factor for a spectral line. Explain coherence length and c
sonic waves
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