(b) A monochromatic plane wave of speed v and wavelength A diffracts at a small aperture. The diagram shows the success wavefronts. Assuming that the point X reaches point Y, determine this period of time that it takes to do so.
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A: Superimpose on a single plot EN, ER, and EA versus r up to 1.0 nm.
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- Given the aperture function Ax) f(x) = tri(x – a) + tri(x + a) where – |x], if |x| < 1 0, elsewhere tri(x) Determine its diffraction pattern as Fourier transform. You can use Fourier tables as needed.QU: A strong paralll beam of monochromatic light i incident normally on 4 thin plate having a circular hole of diameter 1memn. 1 the wavelengih of light used 5 x 10°7m, how far i the sereen {0 be moved from the fiest position where the Centre i black 103 second simlar position?Find out the far-field interference-diffraction pattern of a double-slit interferometerwith finite slit-width, assuming a well collimated radiation of an atomic transition from a low-pressure gas discharge lamp. You may approximate the radiation single-frequency.
- Compare the amplitude reflection coefficient for an air-water (nw = 4/3)interface with that of an air-glass (ng = 3/2)interface, both at near normal incidence. What are the corresponding reflected to the incident irradiances?An intereference pattern is produced by light with a wavelength of 560 nm from a distant source incident on two identical parallel slits seperated by a distance (between centers) of 0.580 mm. (D) what is the intensity at the angular position of theta2?Suppose that a thin piece of glass were placed in front of the lower slit in a double-slit apparatus so that the amplitude for a photon of wavelength λ to reach that slit differs in phase by 180 degrees with the amplitude to reach the top slit. What is the minimum thickness of the glass required, assuming the index of refraction for the glass is n?
- Explain the diffraction phenomenon by drawing a figure and define the Bragg relationplease solve asap.3E0, and uHo) and for two 4. For uniform plane wave propagation in (i) ice (o 106 S/m, 8 (ii) seawater (a= 4 S/m, frequencies: (a)f 1 GHz and (b) f= 100 kHz 1 80co, and uo), compute a, ß, A, 8, and p
- (a) How far from some grains of red sand must you be so that you are just at the limit of resolving the grains if your pupil diameter is 3mm, the grains are spherical with radius 50μm, and the light from the gains has wavelength 650nm? (b) If the grains were blue and the light from them had wavelength 400nm instead, would the answer to (a) be larger or smaller? (c) Now let's say you are a superhero and you had x-ray vision, so you could see light that had a wavelength of 0.1nm instead. Now how far could you be from the gains of sand to just be at the limit to distinguish one grain of sand from another? (with the same pupil diameter). (assume you're on the beach and there's plenty of light from many frequencies bouncing off the sand, and when you turn on your x-ray vision you aren't bothered by all the other frequencies around).Plz solve 30 minutes plzz hand written i'll rate..Q-2: If a piece of aluminum to be tested by ultrasonic probe with frequency of 9 MHz, and the maximum beam spread angle should not exceed 10°, what is the minimum diameter of probe disc? Use any available data to solve problem.