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CHEM6A- Midterm 1_A - Chemistry 6A MIDTERM EXAM 1 Weds Jan...

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Chemistry 6A Page 1 of 7 MIDTERM EXAM 1 VERSION “A” Weds Jan 20 th , 2010 The exam is worth 150 points. There are 28 questions. o Section 1 has 20 questions which are conceptual multiple choice (section 1 is worth 80 points total). o Section 2 has 7 questions which are calculation-based and also multiple choice (section 2 is worth 70 points total). o (There is also a bonus section worth 10 points; so you could get 160 out of 150!!!) You have the entire class period from 3:00pm until 3:50pm to complete the exam (i.e. you have all 50 minutes of class time). You must fill in your for UCSD ID numbers on the scantron. YOU MUST USE THE NUMBER 1 IN PLACE OF THE "A" OR "U" IN YOUR UCSD ID NUMBER . This is REALLY important!!! There are three different color versions of the exam : each has version has a Letter code a the top of the exam (e.g. "Version A" or "Version B” or “Version C”). You must ‘bubble-in’ the version you have (“A” or “B” or ”C”) into the “Test Form” Field on the top of the scantron. Fill in your exam version NOW! (You will fail if you don’t) Fill in only one bubble per question (the scantron will grade the questions are incorrect if there are two filled bubbles) (Planck’s constant is 6.626 x 10 -34 J s) Don’t forget to fill in your exam version & student ID # (You will fail if you don’t)
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Chemistry 6A Page 2 of 7 MIDTERM EXAM 1 VERSION “A” Weds Jan 20 th , 2010 Section 1 (20 questions x 4 points for each question = 80 points total): 1. Which of the following statements regarding electromagnetic radiation is true? A) Electromagnetic radiation with a wavelength of 400 nm travels faster than that with a wavelength of 600 nm. B) The frequency of electromagnetic radiation determines how fast it travels. C) Electromagnetic radiation with a wavelength of 400 nm has a frequency that is smaller than that with a wavelength of 600 nm. D) Electromagnetic radiation with a wavelength of 600 nm travels faster than that with a wavelength of 400 nm. E) Electromagnetic radiation with a wavelength of 600 nm has a frequency that is smaller than that with a wavelength of 400 nm.
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