As per X-ray Fluorescence theory, when material particle is irradiated with X-ray the electron of innermost orbital of that element atom is exited and emits outside of the atom as photoelecrons, living behind a hole in innermost orbital . This hole is filled by outer orbital electrons. The question is that finely what happens to that photo electon which is emitted outside of the atom?

1 Answers   Grasim,

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WHAT IS THE SYLLABUS OO GROUP -I?

0 Answers  

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why silica absorb in mix bed resins in D M plant.

8 Answers   NTPC,

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Sr-90, a radioactive isotope, is a major product of an atomic bomb explosion. It has a half life of 28.1 year. Calculate the first order rate constant for this nuclear decay and the fraction of 90Sr that remains after 10 half lives?

0 Answers   Wipro,

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what are the different by which a new molecule can be characterised ?

2 Answers   Cipla, Reddy Labs,

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What is Downward Displacement of Water?

11 Answers   BARC, RyanAir,

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Why water is not detected in GC & solvents are not detected in HPLC?

1 Answers   Alkem Labs,

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who is minister of railoway

1 Answers   HKL,

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what is little silver

2 Answers  

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How do you measure order of reaction?

2 Answers  

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The rate constant for the second order reaction is 0.54/M.s at 300oC. How long (in sec) would it take for the concentration of NO2 to decrease from 0.62M to 0.28 M? 2NO2(g) 2 NO(g) + O2(g)

0 Answers  

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What is unsaponifiable matters?

1 Answers  

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