50U51tSwNP5G_1210016888_jwk572

# 50U51tSwNP5G_1210016888_jwk572 - ration between the slits...

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inclasstest 10 – KIM, JI – Due: Apr 21 2008, 1:00 pm 1 Question 1, chap -1, sect -1. part 1 of 1 1 points This is a question for showing your atten- dance. Please choose the correct answer be- low, or you will lose 25% of this weekly test. 1. This is the correct answer. correct 2. This is the wrong answer. Explanation: It is correct because the choice does not lie. Question 2, chap 35, sect 3. part 1 of 1 3 points A double-slit interference experiment is performed with light from a laser. The sepa-
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Unformatted text preview: ration between the slits is 0.50 mm, and the Frst-order maximum of the interference pat-tern is at an angle of 0.059 ◦ from the center of the pattern. What is the wavelength of the laser light? Correct answer: 514 . 872. Explanation: Basic Concept: d (sin θ ) = mλ, m = 0 , ± 1 , ± 2 , · · · Given: d = 0 . 50 mm θ = 0 . 059 ◦ m = 1 Solution: λ = d (sin θ ) m = (0 . 5 mm)(sin0 . 059 ◦ ) 1 · 1 m 1000 mm · 10 9 nm 1 m = 514 . 872 nm...
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