Given the below absorption spectrum of a particular pigment, what colour would a normal-sighted observer see the pigment as being? Briefly explain your reasoning. 100- 1 500 700 Absorption (%) 0 400 600 Wavelength (nm)
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- Choose the steps below in the appropriate order to explain why the sky is blue. Light that is primarily blue comes from all directions in the sky. White light with all colors is emitted by the sun. 9When interacting with molecules, blue light with shorter wavelength scatters more in all directions. e White light interacts with molecules in the atmosphere. Submit Answer Tries 0/2 Choose the steps below in the appropriate order to explain why sunsets can appear red. When interacting with molecules, red light with longer wavelength scatters less. White light with all colors is emitted by the sun. White light interacts with molecules in the atmosphere. 0Light that is primarily red continues along the path from the sun to your eyes.1. Consider the following signal: x (t) = cos 2000лt + 2 соs 4000лt. What would this signal look like on a spectrum analyzer. Be sure to indicate relative magnitudes and frequencies. Describe the spectrum in words, e.g., "spikes at ..." If this signal were multiplied by a 1 MHz sine wave, find the spectrum of the product. (Describe in words.)Cover each end of a cardboard tube with metal foil. Then use a pencil to punch a hole in each end, one about 3 millimeters in diameter and the other twice as big. Place your eye to the small hole and look through the tube at the colors of things against the black background of the tube. You'll see colors that look very different from how they appear against ordinary backgrounds. Write down observation
- An idealized radiating object does not reflect or scatter any radiation but instead absorbs all of the electromagnetic energy that falls on it. Can you explain why astronomers call such an object a blackbody? Keep in mind that even stars, which shine brightly in a variety of colors, are considered blackbodies. Explain why.Describe the full explanation of how the subtractive mixing process works, and why you see the subtractive mixed colour in box number 3?Assignment # 2 So that's physics GSCI 1014 First Name Last Name Q1. The air in a dark, smoky room often looks bluish when illuminated by white light. What creates this bluish appearance? (clue, Rayleigh scattering) Q2. A diamond pendant sparkles with color when you look at it in sunlight. From where do the colors come. dispersion) (clue, Q3. A thin layer brightly colored in sunlight. From where do the colors come (clue, Interference) of oil or gasoline floating on water appears
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