Concept explainers
A monochromatic light that passes through a double slit produces on a screen a diffraction pattern consisting of bright and dark fringes. The intensity of the bright fringes, I, as a
Want to see the full answer?
Check out a sample textbook solutionChapter 5 Solutions
MATLAB: An Introduction with Applications
- Solve the following, if the radio wave transmitted at an angle of incidence 600 , with a critical electron density of 60x109/cm3. I. Find frequency of the wave II. Find Maximum usable frequency, if Nmax = 3x Ncritical [2] III. Find the expected refractive indexarrow_forwardWrite the real and complex expression for a plane wave E1 propagating at an angle of 60° with respect to the z axis on the yz plane. The wavelength of is 1550 nm, and the speed is c = c/1.45arrow_forwardIn a Newton’s ring arrangement with air film observed with the light of wavelength 6× 10-5 cm, the difference of squares of diameters of successive rings is 0.125 cm2. What will happen to this quantity if: (a)Wavelength of light is changed to 4.5 × 10-5 cm. (b)A liquid of refractive index 1.33 is introduced between the lens and the plate.(c)The radius of curvature of the convex surface of the plano-convex lens is doubled.arrow_forward
- A plane electromagnetic wave with frequency f = 5 MHz is propagating in sea water ( er = 72, mr = 1, and s = 4 S/m). Find: the loss tangent the attenuation constant the phase constant the intrinsic impedance the phase velocity the wavelength the “skin depth” the distance for which the electric field decreases to 1% of its value at the surfacearrow_forwardA 1.3 GHz uniform wave of amplitude EX0 of 100 V/m at the origin is propagating in the z direction. The medium of propagation has the following parameters ε''=10 x10-11 F/m, ε'=1x10-11 F/m and μ=3x 10-6H/m. Find the instantaneous expression for the electric field.arrow_forwardA 4ghz uniform plane wave has an amplitude of evo = 1.6kv/m at origin (0,0,0,t=0) and is propagating in a direction in the medium with e" = 1.6x10¹¹f/m, e' = 3.0×10¹¹f/m and µ = 3.2µh/m .determine the electric field intensity e, and h at p (0,0,2 cm) at 0.25 ns.arrow_forward
- A uniform plane wave has a Ex0 = 100 V/m spreads in z direction in a dissipative material that has o = 20 S/m, ur = 1, Er= 50. if works at a frequency f = 300Mhz Find: Propagation constant (for k = 0 and k = 1), phase constant,dimming constantarrow_forwardThe Voyager 1 spacecraft, now in interstellar space, radios data back to Earth using a 22.4-W transmitter. A high-gain antenna focuses a narrow beam of radio waves toward Earth, making the transmitter equivalent to one that, if it were broadcasting in all directions, would have 50,000 times the power of the actual transmitter. In the current epoch, the Deep Space Network antennas that receive Voyager’s broadcasts detect Voyager signals with electric-field amplitudes of 3.9 pV/m. How far away is Voyager?arrow_forwardTwo planes are 15 km apart and are in radio communication. The transmitting plane delivers 500 watts. Its antrnna gain is 10 in the direction of thenother plane. The power absorbed by the receiving antenna of the other plane is 2 micro watts. Find the effective area summing the reflections are negligible.arrow_forward
- A phased array is to be designed that satisfies the following requirements at 10 GHz: (1) The antenna must have a broadside directivity of 35 dBi; (2) the array must have a square shape, uniform illumination, and a rectangular element grid; (3) the array must be able to scan to 30◦ in azimuth and 30◦ in elevation without grating lobes occurring; (4) the array must meet the directivity requirement with 10◦ of random phase errors. How many elements are required to meet these requirements?arrow_forwardA bucket is full of red sand: how far from the sand surface should an observer be to distinguish the grains? Consider that the grains are spheres with a diameter of 75 μm, that the light reflected by them has a wavelength of 670 nm and that the observer's pupil is 5 mm in diameter.arrow_forwardIntroduction to Optics; A certain sensitive radar receiver detects an electromagnetic signal of frequency 100 MHz and power (energy/time) 6.63 x 10-16 J/s How many photons/s would arrive at the receiver in this signal? What is the energy (in J and in eV) of a visible photon of wavelength 555 nm and 620 nm?arrow_forward
- Introductory Circuit Analysis (13th Edition)Electrical EngineeringISBN:9780133923605Author:Robert L. BoylestadPublisher:PEARSONDelmar's Standard Textbook Of ElectricityElectrical EngineeringISBN:9781337900348Author:Stephen L. HermanPublisher:Cengage LearningProgrammable Logic ControllersElectrical EngineeringISBN:9780073373843Author:Frank D. PetruzellaPublisher:McGraw-Hill Education
- Fundamentals of Electric CircuitsElectrical EngineeringISBN:9780078028229Author:Charles K Alexander, Matthew SadikuPublisher:McGraw-Hill EducationElectric Circuits. (11th Edition)Electrical EngineeringISBN:9780134746968Author:James W. Nilsson, Susan RiedelPublisher:PEARSONEngineering ElectromagneticsElectrical EngineeringISBN:9780078028151Author:Hayt, William H. (william Hart), Jr, BUCK, John A.Publisher:Mcgraw-hill Education,