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- The wavelength of light changes when it passes from one medium into another. Suppose green light at 550.0 nm passesfrom air into glass (n = 1.5). a. What is its wavelength in glass? b. What is its frequency? c. Do you see the same color in both media?Under what conditions can light be modeled like a ray? Like a wave?Why does the wavelength of light decrease when it passes from vacuum into a medium? State which attributes change and which stay the same and, thus, require the wavelength to decrease.
- Create a transcript for a video that uses Physics to answer ONE of the following questions in less than 3 minutes. The transcript should be able to be used for a 2-3 minute long video. Why is the sky blue? Why do we see a rainbow when the sun shines after rain? Why does a spoon seem to bend in a clear glass of water? Why are there rainbows in oil spots on the driveway? How can light help us measure small distances, such as the thickness of a single piece of hair? How do anti-glare coatings on eyeglasses work?A prism spectrograph uses a triangular piece of glass to spread light out into its component colors. Which of the following explains how the visible wavelengths of light are affected by a prism spectrograph? a. The angle of bending is the same for all colors (wavelengths). b. Red light is bent the most and violet light is bent the least. c. The angle of bending depends on the color (wavelength) of the light. d. The order of the colors, red through violet, depends on the type of glass used for the prism. e. None of the above are correct.Yes or No 1. Does light travel faster in another medium aside from a vacuum? 2. Could the index of refraction in another medium such as water and glass be less than the one (1)? 3. Is it correct to say that light entering a transparent medium through the normal line will not bend? 4. Will a light beam that travels from a medium of low index of refraction to a medium with a high index of refraction through an angle from the normal line bend towards the normal line? 5. Will the speed of light increase as it travels from a medium with high optical density to a medium with low optical density? Choose in the parenthesis 6. Farsightedness is corrected using (converging, diverging) lens. 7. When white light enters a prism dispersion occurs. During this process the component color with (highest, lowest) frequency is most bent. 8. Myopic person has eyeball that are (elongated, flattened) thus the image fall in front of the retina. 9. Due to the refraction of light, a fish seems to be in a…
- 4. Hat is absolute refraction index of a medium? 5. What is Snell's law? 6. What is meant by optical path? How is it different from geometrical path length? 7. A beam of collimated light (i.e. having parallel rays) traveling in air makes an angle of 30° to the normal to a glass plate. If the index of the glass is ng = 3/2, determine the direction of the transmitted beam within the plate.1. The figure below shows a slab made of three different materials X, Y and Z having refractive indices n., ny, and n respectively. The slab is immersed in water (n=1.333) and the light is incident upon its bottom surface. water Y. water a. Rank the materials according to the refractive index of the materials, greatest first. b. Rank the materials according to the speed of lilight in the material, greatest/fastest first. (" c. Discuss what would happen to the angle y if material X and Y are swapped. d. If a = 80.0° and e = 60.0°, what is the refractive index of material Z?3. Are the following most reasonably described by the wave model of light, the my model of light, or ceither? & The buman eye b. A telescope c. Antireflection coatings on the telescope lenses d. Light passing through a 1-cm-diameter hole e. Light passing through a 0.1-mm-diameter hole f. An interferometer g. h. White light dispersed into a rainbow by a prim White light dispersed into a rainbow by a diffraction grating
- Monica was using different colored pieces of clear plastic for an art project Her little brother came and scattered the plastic all over the photograph of Name Name Class Date Name 20 the the image she was using as a guide. As she was cleaning up, she noticed that the image appeared differently behind certain colors of plastic. Why was this A. Certain colors of light pass through, leaving everything else blank or invisible. B. Only the color matching the plastic can pass through, leaving everything else shades of black. C. Only the color matching the plastic can pass through, leaving everything else blank or invisible. D. All colors except the one that matches the plastic can pass through, leavng. that color blacka.) Describe the principles behind the interference and diffraction of light? b.) How does interference and diffraction of light interconnection with each other and how can they be used beneficially to us? Give at least one.What optic phenomena is NOT the result of the wave nature of light? a.coma. b.spherical aberration. c.photoeffect. d.chromatic aberration. e.thin-film interference.
