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1. What minimum path length difference is needed to cause a phase shift of...
What minimum path length is needed to introduce a phase shift of 185° in light of...
What minimum path length is needed to introduce a phase shift of 185° in light of wavelength 516 nm? (Give your answer in nm.) What phase shift will that path difference you calculated in part (a) introduce in light of wavelength 750 nm? (Give you answer in degree.)
What is the best possible path length difference between two waves (with the wavelength of 600...
What is the best possible path length difference between two waves (with the wavelength of 600 nm) that give destructive inference? (A) 600 nm (B ) 1200 nm (C) 900 nm (D) 150 nm (E) 0 nm
Problem 11: As the film of a soap bubble thins, it becomes darker, because the path...
Problem 11: As the film of a soap bubble thins, it becomes darker, because the path length difference for the reflected light becomes small when compared with the wavelength of the light and there is a phase shift upon reflection at the outer surface. In this problem, assume the wavelength of visible light is in the range 400 nm to 700 nm. If a soap bubble becomes dark when the path length difference is less than one fourth the wavelength,...
My question is related to Optics- Interference from thin films: If we wish to coat flat...
My question is related to Optics- Interference from thin films: If we wish to coat flat glass [ index of refraction (n)=1.50] with a transparent material (n =1.25) so that reflection of light at wavelength 600 nm is eliminated by interference.What minimum thickness can the coating have to do this? I know that the waves will experience a phase change of pi rad or (0.5 wavelength) since the first medium has a small index of refraction. How does this connect...
Looking at a dark spot, the change in the optical path length difference to go to...
Looking at a dark spot, the change in the optical path length difference to go to a bright spot and back to a dark spot is : Question options: ?/4 ?/2 ? 2? 4? Question 2 What is the point of the beam splitter? Question options: Create two paths for the laser light. Split the beam into different wavelengths. Change the distance from the laser to mirrors. Nothing; it's BS. Question 3 Which variables need to be meassured to determine...
bee fast 1. The work needed to remove an electron from the surface of sodium is...
bee fast
1. The work needed to remove an electron from the surface of sodium is 2.3 eV. Find the maximum wavelength of light that will cause photoelectrons to be emitted from sodium. What will be the speed of emitted electrons if light with wavelength 300 nm is used? 2. How much energy is required to remove an electron from the basic state of hydrogen, thereby producing an ion H'? 3. What is the de Broglie wavelength of a 2000-kg...
1) Two parallel beams of light are brought together on a surface. Each beam has wave length h-500...
1) Two parallel beams of light are brought together on a surface. Each beam has wave length h-500 nm and intensity 1 W/m at the surface. What is the resultant intensity for each of the following path lengths or phase differences between the beams? Phase or path length difference Intensity (W/m) 0 radians (phase) T/2 radians (phase) 60 degrees (phase) 3π radians (phase) 300 nm (path length) 1000 nm (path length) 5.5 λ (path length) 2) A wave of wavelength...
Part A Constants What is the minimum thickness of Tioz that you must add so the...
Part A Constants What is the minimum thickness of Tioz that you must add so the reflected light cancels as desired? A uniform film of TiO2, 1038 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 fals at normal incidence onto the film from air. You want to increase the thickness of this film so that the reflected light cancels 1223 nIm SubmitPr...
1. What is the minimum telescope aperture needed to resolve an object whose angular diameter is...
1. What is the minimum telescope aperture needed to resolve an object whose angular diameter is 0.38 arc seconds, observed at 540 nm wavelength? Note: 1arcsec=(1/3600)∘. **express in cm 2. Find the minimum angular separation resolvable with 625 nm laser light passing through a circular aperture of diameter 2.1 cm . 3. The interference pattern from two slits separated by 0.35 mm has bright fringes with angular spacing 0.073 ∘. **express in nm**
1. (28 Points) Symphony halls are designed to reduce the number of locations that produce intensity...
1. (28 Points) Symphony halls are designed to reduce the number of locations that produce intensity minima from reflections by the wall. In this problem you are asked to compute the frequencies that produce intensity minima if the room has bare concrete walls. Imagine a source of sound (S) that is played at the front stage of a symphony hall. A listener (L) is standing next to the cheap seats at the back of the hall. For simplicity let's assume...
Problem 11: As the film of a soap bubble thins, it becomes darker, because the path length difference for the reflected light becomes small when compared with the wavelength of the light and there is a phase shift upon reflection at the outer surface. In this problem, assume the wavelength of visible light is in the range 400 nm to 700 nm. If a soap bubble becomes dark when the path length difference is less than one fourth the wavelength,...
bee fast
1. The work needed to remove an electron from the surface of sodium is 2.3 eV. Find the maximum wavelength of light that will cause photoelectrons to be emitted from sodium. What will be the speed of emitted electrons if light with wavelength 300 nm is used? 2. How much energy is required to remove an electron from the basic state of hydrogen, thereby producing an ion H'? 3. What is the de Broglie wavelength of a 2000-kg...
1) Two parallel beams of light are brought together on a surface. Each beam has wave length h-500 nm and intensity 1 W/m at the surface. What is the resultant intensity for each of the following path lengths or phase differences between the beams? Phase or path length difference Intensity (W/m) 0 radians (phase) T/2 radians (phase) 60 degrees (phase) 3π radians (phase) 300 nm (path length) 1000 nm (path length) 5.5 λ (path length) 2) A wave of wavelength...
Part A Constants What is the minimum thickness of Tioz that you must add so the reflected light cancels as desired? A uniform film of TiO2, 1038 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 fals at normal incidence onto the film from air. You want to increase the thickness of this film so that the reflected light cancels 1223 nIm SubmitPr...
1. (28 Points) Symphony halls are designed to reduce the number of locations that produce intensity minima from reflections by the wall. In this problem you are asked to compute the frequencies that produce intensity minima if the room has bare concrete walls. Imagine a source of sound (S) that is played at the front stage of a symphony hall. A listener (L) is standing next to the cheap seats at the back of the hall. For simplicity let's assume...
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MATLAB HW 11 problem using Switch Case and Input commands
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