(A) (B) (D) A Pb-Sn sample of eutectic composition, containing a- and B- phases, is examined...
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(A) (B) (D) A Pb-Sn sample of eutectic composition, containing a- and B- phases, is examined in a scanning electron microscope. The a-phase contains ~97 wt% Pb (atomic number 82) while ß-phase contains ~99 wt% Sn (atomic number 50). The ratio of number of backscattered electrons escaping from a-phase to that from ß-phase would be: Less than 1 Equal to 1 Greater than 1 Equal to 0 (A) (B) (D) A Pb-Sn sample of eutectic composition, containing a- and B- phases, is examined in a scanning electron microscope. The a-phase contains ~97 wt% Pb (atomic number 82) while ß-phase contains ~99 wt% Sn (atomic number 50). The ratio of number of backscattered electrons escaping from a-phase to that from ß-phase would be: Less than 1 Equal to 1 Greater than 1 Equal to 0
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Related Book For
Introduction to Algorithms
ISBN: 978-0262033848
3rd edition
Authors: Thomas H. Cormen, Charles E. Leiserson, Ronald L. Rivest
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