A laser emits light with a wavelength of 400 nm. A beam splitter and mirrors are used to direct the light to a receiver along two different paths. If the length of path one is 1.5 µm and the length of path two is 2.5 µm, at a receiver the waves will ... O interfere constructively. not interfere at all since they will not be coherent waves. interfere destructively.
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- Two light pulses are emitted simultaneously from a source. Both pulses travel to a detector, but one first passes through 6.30 m of ice. Determine the difference in the pulses' times of arrival at the detector.A beam of unpolarized light of intensity 9.53E3 W/m2 passes through a series of ideal polarizing filters with their polarizing directions turned to various angles as shown in the figure. What is the light intensity at point B (in W/m2)?A light ray of wavelenght 589 nm is incident on glass (from air) with an angle of 30°. The index of refraction of the glass is 1.52. A) What is the angle of refraction? B) What is the speed and wavelength of the light inside the glass?
- An ideal polarizing sheet transmits 90% of the incident partially polarized light. The polarizing sheet is now rotated through 45 degrees; during the rotation process the transmitted light monotonically decreases in intensity. What fraction of the incident intensity now passes? O a. 0% O b. between 40% and 90% O c. Between 50% and 80% O d. 50% O e. Between 0 and 50%Unpolarized light passes through a single polarizer. Of the 100% of the light that made it through the first polarizer, how much will make it through... another polarizer, angled 30° to the first one, and then yet another polarizer, angled a further 30°. a vacuum. another polarizer, angled 30° to the first one. another polarizer, angled 90° to the first one. another polarizer, angled 45° to the first one. another polarizer, angled 45° to the first one, and then yet another polarizer, angled a further 45°. 1. 100% 2. 75% 3. 66.67% 4. 56.25% 5. 50% 6. 33.33% 7. 25% 8. 12.5% 9. 0%A light beam has a frequency of 660 MHz in a material of refractive index 2.00. In another material of refractive index 3.00, its frequency will be A. 440 MHz B. 330 MHz C. 660 MHz D. 1320 MHz E. 990 MHz