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- 20. DETAILS OBINPHYS8 9.P.001. ASK YOUR TEACHE ........................ Suppose a beam of red light from an He-Ne laser (2 = 633 nm) strikes a screen containing two narrow slits separated by 0.210 mm. The fringe pattern is projected on a white screen located 1.10m away. Find the distance in millimeters between adjacent bright areas near the center of the interference pattern that is produced. mm Submit Answer2. In linear and circular polarization, consider monochromatic plane waves with frequency w propagating along the z axis in a dielectric characterized by permeabilities &, µ. a) Construct all linearly polarized wave and circular polarized wave solutions. Calculate E and B, given that Ex = Bx = 240 b) Consider two linearly polarized waves with E ||x and E ||y, respectively. Under what conditions their superposition is characterized by (i)linear and (ii) circular polarization? Given that Ex = 240h) The difference in arrival time between wave-packets with centre frequencies of ω1 and ω2 is Δt. What is DM in terms of Δt ?
- Problem 19: Sodium vapor light (average wavelength 598 nm) falls on a single slit of width 7.75 μm.Randomized Variablesλ = 598 nmw = 7.75 μm At what angle θ, in degrees, does it produces its second minimum?Numeric : A numeric value is expected and not an expression.θ = __________________________________________Q3. Amicrowave transmitter is used to direct microwaves of wavelength 30 mm along a line XY. A metal plate is positioned at right angles to XY with its mid-point on the line, as shown. A B C X D transmitter When a detector is moved gradually along XY, its reading alternates between maxima and minima. Which one of the following statements is not correct? The distance between two minima could be 15 mm. The distance between two maxima could be 30 mm. The distance between a minimum and a maximum could be 30 mm. The distance between a minimum and a maximum could be 37.5 mm. detector metal plate YA thin film of polystyrene n=1.49 coats a piece of glass n=1.55. When illuminated from above, the dominant color of the light reflected to the observer is 473 nanometers wich is blue. What is the minimum thickness of the thin film? A. 317 nm B. 153 nm C. 159 nm D. 305 nm E. 79.4 nm