Help me with this HW problem. Please show all the steps
Help me with this HW problem. Please show all the steps #3) A uniform thin film...
A uniform thin film of alcohol (n = 1.36) lies on a flat glass plate (n = 1.56). When monochromatic light, whose wavelength can be changed, is incident normally, the reflected light is a minimum for λ = 488nm and a maximum for λ = 610nm. What is the minimum thickness of the film?
A lens made of glass (n. - 1.52) is coated with a thin film of MgF, (n = 1.38) of thickness t. Visible light is incident normally on the coated lens as in the figure below. Glass thin film Incident An illustration shows a rectangular cross- section of glass lens oriented such that a thin film of thickness tcoats its left side. A ray of light directed to the right is perpendicularly incident upon the left side of the film....
Problem 3 [25 pts]: White light, with a uniform intensity across the visible wavelength range of 400 nm to 720 nm, is perpendicularly incident on a glass film, of index of refraction ng = 1.52 and thickness d = 340 nm,, suspended in air. At what wavelength 2 is the light reflected by the film brightest to an observer?
Problem 4 Glass A lens made of glass (ng 1.52) is coated with a thin film of MgF2 (ns- 1.38) of thickness t. Visible light is incident normally on the coated lens as in the figure MgF (a) For what minimum value tmin of t will the reflected light of wavelength 540 nm (in air) be missing? Incident light (b) What is the relation giving the other values of t that will minimize the reflected light at this wavelength? Give...
A uniform film of TiO2, 1036 nm thick and having index of refraction 2.62, is spread uniformly over the surface of crown glass of refractive index 1.52. Light of wavelength 600 nm falls at normal incidence onto the film from air. You want to increase the thickness of this film so that the reflected light cancels. What is the minimum thickness of TiO2 that you must add so the reflected light cancels as desired? After you make the adjustment in...
(25 points) The figure below shows a thin film, of a transparent material of thickness d and index of refraction nfwhere n2 > nf > n1. Monochromatic light of wavelength 600nm is incident onto the thin film. a. For what three smallest film thicknesses, d, will reflected light-rays-1 and -2 interfere constructively? b. For what three smallest film thicknesses, d, will reflected light-rays-1 and -2 interfere destructively?
#14 Thin Soap Films: Maximizing Reflection A soap bubble consists of a film with an index of refraction of 1.50, with air on either side of the film. What is the minimum thickness of the film such that red light with a wavelength of 700 nm is reflected with the greatest intensity? O A. 117 nm B. 233 nm O C. 350 nm O D. 700 nm #15 Thin Soap Films: Maximizing Reflection A soap bubble consists of a film...
Prob. 6b (6 pts.) A glass window is coated with a transparent film of refractive index n2=1.25. This film will cause destructive interference in the reflected light when light of wavelength λ = 550nm. is incident normally,on the window. What is the minimum thickness of film required to produce this anti-reflection coating? incident 1 air fim glass 1.25
A thin layer of oil with index of refraction no = 1.47 is floating above the water. The index of refraction of water is nw = 1.3. The index of refraction of air is na = 1. A light with wavelength 1 = 750 nm goes in from the air to oil and water. n n (a) Express the wavelength of the light in the oil. 1o, in terms of 1 and no- (b) Express the minimum thickness of the...
1) A thin film suspended in air is 0.410 µm thick and is illuminated with white light incident perpendicularly on its surface. The index of refraction of the film is 1.54. At what wavelength will visible light that is reflected from the two surfaces of the film undergo fully constructive interference? 2) Monochromatic green light, of wavelength 550 nm, illuminates two parallel narrow slits 7.70 μm apart. Calculate the angular deviation (θ) of the third-order (m = 3) bright fringe...