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July 19, 2009 [PROBLEM SET FROM R. CHANG TEST BANK] w w w . k a u . e d u . s a / a a s i r i 2 Page 1 Chapter 7 Quantum Theory and the Electronic Structure of Atoms Student: _____________________________________________________________________ 1. What is the wavelength of radiation that has a frequency of 6.912 ? 1014 s-1? A. 1.447 ? 10-15 nm B. 4.337 ? 102 nm C. 2.304 ? 106 nm D. 2.074 ? 1023 nm E. 4.337 ? 10-7 nm 2. What is the wavelength of radiation that has a frequency of 2.10 ? 1014 s-1? A. 6.30 ? 1022 m B. 7.00 ? 102 nm C. 7.00 ? 105 m D. 1.43 ? 10-6 m E. 3.00 ? 108 m 3. Calculate the frequency of visible light having a wavelength of 486 nm. A. 2.06 ? 1014 /s B. 2.06 ? 106 /s C. 6.17 ? 1014 /s D. 1.20 ? 10-15 /s