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Unformatted text preview: Niels (Henrik David) Bohr (October 7, 1885 November 18, 1962) was a Danish physicist who made fundamental contributions to understanding atomic structure and quantum mechanics. Bohr is widely considered one of the greatest physicists of the twentieth century. Prizes: Nobel Prize (1922), Hughes Medal (1921), Matteucci Medal (1923), Copley Medal (1938). MEEN 222 501 Fall 2009 Quiz #1 Student: Print First and Last Name Date: _______________________ 1.1.The bonding energy curves for two different atomic bonds are given on the plot below. Circle the answers that describe correctly the relative properties of the materials. T m = melting temperature, CTE = coefficient of thermal expansion, and E = elastic modulus a) CTE (1) < CTE (2) and Tm(1) > Tm(2) b) E(1) < E(2) and Tm(2) > Tm(1) c) CTE (1) > CTE (2) and E(1) < E(2) d) CTE (1) > CTE (2) and Tm(1) > Tm(2) Hint: More then one answer can be correct!...
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- Spring '08