33. Geometric Optics
Refraction of Light & Snell's Law
3:43 minutes
Problem 67
Textbook Question
Textbook Question(II) A sound wave is traveling in warm air (15°C) when it hits a layer of cold ( - 15° C) denser air. If the sound wave hits the cold air interface at an angle of 28°, what is the angle of refraction? The speed of sound as a function of temperature can be approximated by v = (331 + 0.60 T) m/s , where T is in °C.
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