pract.quiz1 - CH301 Fall 2010 Practice QuizTA Style 1....

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CH301 Fall 2010 Practice Quiz—TA Style 1. Which of the following wavelengths would correspond to lowest energy electromagnetic radiation? 1 . 1 . 5 6 k m 2 . 7 6 0 n m 3 . 4 1 . 2 m m 4 . 3 . 3 4 n m 5 . 7 . 8 9 k m 6 . 9 8 . 4 m 2. Emission spectra are an example of the failure of classical mechanics because classical mechanics predicted ________ emission, but in fact ________ emission was experimentally observed. This results from the ________ of electrons’ energy levels. 1 . c o n t i n o u s , d e g e n e r a t e , p r o x i m i t y 2 . d e g e n e r a t e , e x p o n e n t i a l , q u a n t i z a t i o n 3 . c o n t i n u o u s , d i s c r e t e , q u a n t i z a t i o n 4 . e x p o n e n t i a l , l i n e a r , d e g e n e r a c y 5 . d i s c r e t e , c o n t i n u o u s , l i n e a r i t y 3. What would be the approximate energy, in Joules, of a photon of wavelength 20 nm? 1 . 1 0 -19 J 2 . 1 0 -17 J 3 . 1 0 -18 J 4 . 1 0 -20 J 5 . 1 0 -16 J 4. What is the minimum uncertainty in the position of an alpha particle (mass = 6.644
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pract.quiz1 - CH301 Fall 2010 Practice QuizTA Style 1....

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