hw21 - Version 001 HW21 gavrin (25111) 1 This print-out...

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Unformatted text preview: Version 001 HW21 gavrin (25111) 1 This print-out should have 11 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. Helium Neon Laser 02 001 (part 1 of 3) 10.0 points The wavelength of red light in air is 957 nm . What is its frequency? The speed of light in air is 2 . 99792 10 8 m / s. Correct answer: 3 . 13263 10 14 Hz. 002 (part 2 of 3) 10.0 points What is its wavelength in glass that has an index of refraction of 1 . 12? Correct answer: 854 . 464 nm. 003 (part 3 of 3) 10.0 points What is its speed in the glass? Correct answer: 2 . 67672 10 8 m / s. Refraction in Silica 02 004 10.0 points A ray of light in air is incident on a planar surface of silica. The refracted ray makes an angle of 26 . 7 with the normal. Refraction index for silica is 1 . 17. Calculate the angle of incidence. Correct answer: 31 . 7156 ....
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This note was uploaded on 04/11/2011 for the course PHYS 25100 taught by Professor Dr.andygavrin during the Spring '10 term at IUPUI.

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hw21 - Version 001 HW21 gavrin (25111) 1 This print-out...

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