A thin film of glycerin (n = 1.473) of thickness 536 nm with air on both sides is lluminated with white light at near normal incidence. What wavelengths will be strongly reflected in the range 300 nm to 700 nm? nm (smallest value) nm nm (largest value)
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- A soap film of refractive indes 1.34 appears yellow (λ = 5.80 x 10^2 nm) when viewed directly from the same side as the source of light. Calculate two possible values for the thickness of the film.An extremely thin sheet of glass is being inspected at the laboratory. Illuminated by white light at near-normal incidence, the film-like sheet is 0.371 µm thick and has air on both sides. If the glass has a refractive index of 1.66, what wavelength of visible light (in nm) does it reflect most strongly? (The wavelengths of visible light range from 400 to 700 nm.) nmProblem 5: Light of wavelength λ = 450 nm passes through a single slit of width a = 0.32 mm. A diffraction pattern is formed on a screen L = 1.2 m away. Part (a) Express the relative intensity, I/Imax, of the light at an angle θ in terms of θ, a and λ. Part (b) Calculate the value of I/Imax at an angle of θ = 28°.
- A soap bubble (n = 1.35) is floating in air. If the thickness of the bubble wall is 300 nm, which of the following wavelengths of visible light is strongly reflected? A) 620 nm (red) B) 580 nm (yellow) C) 540 nm (green) D) 500 nm (blue) Why does m=1?A very narrow beam of light containing red (660 nm) and blue (470 nm) wavelengths travels from air through a 0.68 m thick flat block of crown glass and back to air again. The beam strikes at a 30.0º incident angle. By what distance (in mm) perpendicular to their direction of travel are the red and blue beams separated when they emerge? The index of refraction for λ = 660 nm is 1.512 and the index of refraction for λ = 470 nm is 1.524. Enter a number with 3 digits behind the decimal point.