physics quiz 3 smith

physics quiz 3 smith - Quiz Ch 24 Test Form D Name NOTE You...

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Quiz Ch. 24 Test Form D Name___________________________________ NOTE: You get +1 point for each correct answer and -0.25 points for each incorrect answer. It is not advantageous to fill in a guess for the answer unless you can eliminate more than one wrong answer. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following is NOT true of electromagnetic waves? A) They can travel at any velocity through empty space B) The magnetic field is perpendicular to the electric field C) The electric field is perpendicular to the direction of travel D) The electric field oscillates in time E) The magnetic field oscillates in time 1) 2) When two light waves interfere what condition must be met in order to have a static, unchanging interference pattern. 2) 3) Coherent light of wavelength 600 nm passes through two windows on the side of an office building, separated by 0.5 m. What is the spacing between the bright interference fringes on a wall located 10 meters away.
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