To what end does a cathode ray tube (CRT) display put together its RGB colour beams?
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Q: "How do the CRT's RGB colour beams come into being?"
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Q: How does a cathode ray tube (CRT) screen generate its RGB color beams?
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To what end does a cathode ray tube (CRT) display put together its RGB colour beams?
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- The lens of a giant human eye is about 7.4 cm in diameter. For visible light at 643nm, what is the diffraction limit in arcsec of a giant human eye?33. Bruno is standing upon the edge of the water with his high-powered laser gun, waiting to zap the next visible fish with a burst of laser light. Frieda deFish, located a distance of 2.17 m out from shore, hopes to hide from view by ducking behind a small lily pad. If Bruno's laser is located 0.850-m above the ground and the lily pad is 1.39 m from shore, then to what depth below the water must Frieda descend in order to be hidden from view? (Given: n = 1.33) A. .93 mB. 1.86 mC. 2.79 mD. 1.36Why is light sometimes modeled explained as a particle and sometimes as a wave?
- . Suppose you pass light from a laser through twoslits separated by 0.02 mm and find that the thirdbright line on a screen is formed at an angleof 16° relative to the incident beam. What is thewavelength of the light?Sydney wanted to color her hair from home so she signed up for an online service that sent hair color directly to her. The service required information about the thickness of Sydney's hair to mix the color properly. They only wanted to know if it was fine, medium, or thick, but being an astute student of physics, Sydney knew she could be more precise than that! She shone a red laser pointer with a wavelength of 670 nm through a single strand of hair and a diffraction pattern appeared on the wall 1.85 m away. a) Explain why this fringe pattern appears and how it confirms the wave nature of light. What would you predict the image on the screen to look like if light were a particle instead? b) What is the thickness of Sydney's strand of hair? Explain which formula is best to use here and why?A wave front passing through a thin plastic film as shown here has its intensity reduced because only the component of light parallel to the axis of the film is transm The wave front that has passed through the film has been O (A) diffracted. O (B) dispersed. O (C) linearly polarized. O (D) refracted. Need Help? Read It