Part A The figure(Figure 1) shows the light intensity on a screen behind a single slit. The slit width is 0.16 mm and the screen is 1.5 m behind the slit. What is the wavelength (in nm) of the light? Express your answer using two significant figures. ? nm
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- Constants Periodi The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656 nm (red) and 486 nm (blue). Light from a hydrogen lamp illuminates a diffraction grating with 530 lines/mm , and the light is observed on a screen 1.4 m behind the grating. Part A What is the distance between the first-order red and blue fringes? Express your answer to two significant figures and include the appropriate units. HA d = .11 m %3D Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Provide FeedbackIn Young's two-slit experiment, the first dark fringe above the central bright fringe occurs at an angle of 0.51 ° Part A What is the ratio of the slit separation, d, to the wavelength of the light, X? Express your answer using two significant figures. 15. ΑΣΦ ? pProblem 4 For the parts the below question, fill in the empty boxes with your answer (YOUR ANSWER MUST BE ONLY A NUMBER; DO NOT WRITE UNITS; DO NOT WRITE LETTERS). A thin film of soybean oil (nso = 1.473) is on the surface of window glass (nug = 1.52. You are looking at the film perpendicularly where its thickness is d = 1180 nm. Note that visible light wavelength varies from 380 nm to 740 nm. X b) m = ||| Which greatest wavelength of visible light is reflected? nm What is the value of m which reflects this wavelength?
- Part A One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. Having recently studied optics in your physics class, you're not too surprised to see that the patch of light seems to be a circular diffraction pattern. It appears that the central maximum is about 3 cm across, and you estimate that the distance from the window Estimate the average wavelength of the sunlight (in nm). shade to the wall is about 5 mn O 350 nm 450 nm O 550 nm O 650 nm O 750 nm Submit Previous Answers v Correct Part B Estimate the diameter of the pinhole (in mm). Express your answer using one significant figure. IXI x•10" d = 1.83 • 10¯2 mm Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remainingA diffraction grating has 2700 lines/cm. Part A What is the angle between the first-order maxima for red light (A = 680 nm) and blue light (A = 410 nm)? Express your answer to two significant figures. ΑΣφ Ored – Oblue Submit Request Answer Provide FeedbackPart A (Figure 1) shows a light wave incident on and passing through a thin soap film. Reflections from the front and back surfaces of the film create smaller waves (not shown in the figure) that travel to the left of the film, where they interfere. What is the thickness of the film in terms of the light wavelength inside it? Express your answer as a multiple of wavelength to two significant figures. Πνα ΑΣφ d = Submit Request Answer Part B Figure 1 of 1 Do the reflections from the film surfaces have a phase shift or not? O Reflections from the both surfaces of the film do not have a phase shift. Soap film Reflection from the right surface of the film has a phase shift while reflection f film does not have a phase shift. Reflection from the left surface of the film has a phase shift while reflection fro film does not have a phase shift. Incident wave Reflections from the both surfaces of the film have a phase shift. Submit Previous Answers
- Problem 4 For the parts the below question, fill in the empty boxes with your answer (YOUR ANSWER MUST BE ONLY A NUMBER; DO NOT WRITE UNITS; DO NOT WRITE LETTERS). A thin film of soybean oil (nso = 1.473) is on the surface of window glass (nug = 1.52. You are looking at the film perpendicularly where its thickness is d = 1574 nm. Note that visible light wavelength varies from 380 nm to 740 nm. a) λ = b) m= Which greatest wavelength of visible light is reflected? nm What is the value of m which reflects this wavelength?Q10Question 1
- plz solve for part aWorking on your car you spill oil (index of refraction = 1.55) on the ground into a puddle of water (n = 1.33). You notice a rainbow pattern appear across the oil slick. Recalling the lessons you learned in physics class, you realize you can calculate where constructive and destructive interference occurs based on the thickness of the oil slick. (Assume that the average wavelength is 592 nm.) *air n oil d. n water (a) What are the first three thicknesses necessary for constructive interference? nm 592 How many phase shifts occur? Given the number of phase shifts, what is the relationship between thickness and wavelength that describes thin film constructive interference? What integer value is needed? nm 572.903 How many phase shifts occur? Given the number of phase shifts, what is the relationship between thickness and wavelength that describes thin film constructive interference? What integer value is needed? nm (b) What are the first three thicknesses necessary for destructive…As shown the light intensity on a viewing screen behind a circular aperture. What happens to the width of the central maximum ifa. The wavelength is increased?b. The diameter of the aperture is increased?c. How will the screen appear if the aperture diameter is less than the light wavelength?