1. Why can't we explain diffraction by assuming particle nature of electrons? 2. Why don't we use Bragg's law as in Davisson and Germer experiment? 3. What is/are the source(s) of error in this experiment? 4. Why does the diameter (2R, / 2R,) change with voltage? 5. For a given voltage, which of the interplanar spacing is low? Inner circle's or outer circle's? Why? 6. How can you get the interplanar spacing graphically?
1. Why can't we explain diffraction by assuming particle nature of electrons? 2. Why don't we use Bragg's law as in Davisson and Germer experiment? 3. What is/are the source(s) of error in this experiment? 4. Why does the diameter (2R, / 2R,) change with voltage? 5. For a given voltage, which of the interplanar spacing is low? Inner circle's or outer circle's? Why? 6. How can you get the interplanar spacing graphically?
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These questions are for electron diffraction . I need the answers for the 2nd,4th,5th and 6th questions .
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1. Why can't we explain diffraction by assuming particle
nature of electrons?
2. Why don't we use Bragg's law as in Davisson and
Germer experiment?
3. What is/are the source(s) of error in this experiment?
4. Why does the diameter (2R, / 2R,) change with
voltage?
5. For a given voltage, which of the interplanar spacing
is low? Inner circle's or outer circle's? Why?
6. How can you get the interplanar spacing graphically?
II
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