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Direct the light reflected by the mirror on to a sheet of paper held close to the mirror. Move the sheet of paper back and forth gradually until you find on the paper sheet a bright, sharp spot of light. Hold the mirror and the paper in the same position for a few minutes.
S4-5)PS4.A: Wave PropertiesThe wavelength and frequency of a wave are related to one another by the speed of travel of the wave, which depends on the type of wave and the medium. through wh. Information can be digitized (e.g., a picture stored as the values of an array of pixels); in this form, it can be stored.
rtant in computer graphics.)Light may be “bent” or refracted in transparent substances, and the degree of bending, or refraction, depends upon a quantity. called the refractive index.Light consists of photons — “particles” with no mass which. ravel at the speed of light. They have energy, and one measure of this energy is the .
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Draw a ray diagram; the image is where the rays intersect. Apply the mirror and magnification equations. Sign conventions: if the object, image, or focal point is on the reflective side of the mirror, its distance is positive, and negative otherwise. Magnification is positive if image is upright, negative otherwise.
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Study Guide: Properties of Light 1. Define these properties of light and be able to recognize them in a diagram of a waveform: a. Wavelength b. Speed c. Amplitude d. Phase e. Polarization f. Frequency g. Period h. Energy i. Coherence 2. Describe the dual nature of light—both as a continuous wave and as a discrete particle—and give examples ...
Absorption vs propagation of light. If light wave frequency = molecules resonant frequency. Light is absorbed (propagation is stopped) Medium is opaque. If light wave frequency ≠ molecules resonant frequency. Light is reradiated and propagated forward through medium. Medium is transparent. In a solid or liquid, propagation is in straight line.
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Characteristics of light. • Light is an electromagnetic wave. As shown below, an electromagnetic wave is a transverse wave consisting of mutually perpendicular oscillating electric and magnetic fields. Electromagnetic waves are ultimately produced by an accelerating charge. A changing electric field produces a changing magnetic field which in ...
