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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
An electron moves perpendicular to Earth's magnetic field with a speed of 1.78 x 10 6 m/s. If the strength of Earth's magnetic field is about 5.00 x 10 -5 T. what is the
if acceleration vs time graph is given then how to calculate displacement
why phase is defined only for periodic motion ?
The average energy needed to release a nucleon from the nucleus is known as binding energy per nucleon. Binding energy per nucleon diffrence Stability of nucleus
Q. A capacitor of capacitance 2 μF is in an ac circuit of frequency 1000 Hz. If the rms value of the applied emf is 10 V, find the effective current flowing through the circuit.
What are the Special features and Applications of carbon dioxide laser? Special features and Applications of carbon dioxide laser: The efficiency of this Laser is extremely
What is the difference between circular and rotation motion
steradian; sr: The supplementary SI unit of solid angle described as the solid central angle of a sphere which encloses a surface onto the sphere equivalent to the square of t
how dielectric mat is used for high voltage safety ? how it works?
SPEED: The distance covered by a body in unit time is known as speed. It is represented by V.
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