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9th Grade Physical S

Final Exam-Module 15

QuestionAnswer
Electromagnetic Wave A transverse wave composed of an oscillating electric field and a magnetic field that oscillates perpendicular to the electric field.
The Law of Reflection The angle of reflection equals the angle of incidence.
Sound waves cause air to oscillate. Do light waves oscillate? Light waves oscillate a magnetic field and an electric field. Each one oscillates perpendicular to the other, as well as perpendicular to the direction of travel.
Order the following colors in terms of increasing wavelength: orange, violet, green. In other words, list list the color corresponding to the smallest wavelength first, and end with the color that corresponds to the longest wavelength. violet, green, yellow, orange
Which has longer wavelengths: ultraviolet rays or radio waves? radio waves
Do radio waves have higher or lower frequencies than visible light? What about x-rays? lower higher
Light is traveling in air and suddenly hits a glass window. Does the light speed up, slow down, or continue traveling at the same speed when it enters the glass? slow down
In a physics experiment, a light ray is examined as it travels from air into glass. If the angle that the light ray makes with a line perpendicular to the glass surface is measured, will the refracted ray bend toward or away from that line? toward
A t-shirt is dyed so that it looks violet. What colors of light does the dye absorb? red, orange, yellow, green, blue, indigo
A cyan dye is made of a mixture of substances that absorb all light colors except blue and green. If you took a cyan piece of paper and placed it in a dark room and shined red light on it, what would you see? Black
Created by: LiseBrinkley
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