Ex. 2: Red light of wavelength 6400 A in air has wavelength 4000 A in glass. If the O wavelength of violet light in air is 4400 A. What is its wavelength in glass?
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- Q2: A light beam travels at 1.94 x 10° m/s in quartz. The wavelength of the light in quartz is 355 nm. (a) What is the index of refraction of quartz at this wavelength? (b) If this same light travels through air, what is its wavelength there?In the figure, two isotropic point sources of light (5, and S₂) are separated by distance 2.60 um along ay axds and emit in phase at wavelength 920 nm and at the same amplitude. A light detector is located at point Pat coordinate xp on the x axis. What is the greatest value of xp at which the detected light is minimum due to destructive interference? Number UnitsLight has a wavelength of 450 nm in vacuum. It enters a glass prism with an index of refraction 1.6. What is the wavelength in glass? What is the speed of light in glass? What is the frequency in glass?
- 114. the question with all details is in the image below.You are in a room lit only by cyan light. A chair in that room looks blue to you. (Your eyes see red + green light as yellow; your eyes see red+ blue light as magenta; your eyes see green and blue light as cyan) a. What colors of light is the chair reflecting in the cyan room? What colors of light is the chair absorbing in that room? Explain. b. You then move the chair into a room lit only by red light. The chair now looks red. What colors of light is the chair reflecting now? What colors of light is it absorbing now? Explain. c. What color will the chair be in the sunlight? Explain.
- If the polypropylene has a refractive index of 1.5, what is the wavelength in a CD laser light whose wavelength in the air is 790 nm?If the polypropylene has a refractive index of 1.5, what the wavelength of the laser light whose wavelength in the air is 790 nm would be in the propylene?Unpolarized light of intensity 150 W/m2 passes through two ideal polarizing filters. The polarizing axes of the filters are indicated by the dashed lines. What is the intensity of light at point B? A. 8.77 W/m2 B. 14.4 W/m2 C. 37.5 W/m2 D. 66.2 W/m2 E. 109 W/m2