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Homework 1

# Homework 1 - Golshani(ag5873 Homework 01 Yao(57045 This...

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Golshani (ag5873) – Homework 01 – Yao – (57045) 1 This print-out should have 13 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points The reflecting surfaces of two intersecting flat mirrors are at an angle of 62 , as shown in the figure. A light ray strikes the horizontal mirror at an angle of 49 with respect to the mirror’s surface. 62 49 φ Figure is not drawn to scale. Calculate the angle φ . Answer in units of . 002 10.0 points Consider a light ray which enters from air to a liquid, where the index of refraction of the liquid is given by n = 2. n = 1 n = 2 Air Liquid light ray Denote the wavelength and the frequency in the liquid by λ and f and those in the air by λ and f . Choose the correct pair of ratios: 1. λ λ = 2 , f f = 1 2. λ λ = 1 2 , f f = 2 3. λ λ = 1 2 , f f = 1 4. λ λ = 1 2 , f f = 2 5. λ λ = 2 , f f = 2 6. λ λ = 1 , f f = 2 7.

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