Why is a polarized filter helpful to a photographer? It transmits all light. It scatters all light. It blocks all light. It blocks some light but not all.
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It transmits all light.
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It scatters all light.
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It blocks all light.
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It blocks some light but not all.
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- 2. Two polarizers are placed such the angle between their transmission axes is 72.0°. (a) What fraction of the initial unpolarized light will make it through the first polarizer? (b) What fraction of the initial unpolarized light will make it through the second polarizer?Question about polarizing filters... Why does the intensity or brightness of light change drastically when I rotate a polarizing filter while looking at my computer screen or the table it's on? But it hardly changes at all when I point it at a window or ceiling light? Thanks in advance!A beam of initially unpolarized light of intensity 531 W/m^2 passes through two polarizing filters in sequence, emerging from the second filter with an intensity of 175 W/m^2. What is the angle between the axes of the first and second filters? 17.9 degrees 35.7 degrees 55.0 degrees 66.1 degrees
- Would you rather have polarized or non-polarized sunglasses? Why? Write 50 words.What angle would the axis of a polarizing filter need to make with the direction of polarized light of intensity 1.90 kW/m2 to reduce the intensity to 40.0 W/m2? =____°A life-guard wants your help choosing a pair of new sun-glasses to minimize reflections from the water. She noticed an advertisement that let one choose the angle of polarization orientation of the sunglasses. What polarization angle, if any would you advise her to choose for her new glasses. Question 6 options: A pair of polarizing sunglasses offers no advantage for a people near the water. Sunglasses with a horizontally oriented polarizer would be best for reducing ocean glare. Sunglasses with a vertically oriented polarizer would be best for reducing ocean glare.
- What is the condition for permanent polarization? What kind of materials satisfy this condition?Many modern sunglasses are advertised as being polarized. Manufacturers make lenses that are polarized vertically, so as to block off horizontally polarized light coming from reflections from the ground and other flat surfaces, thus reducing glare. If you bought a new pair of polarized sunglasses (and perhaps didn’t care about disassembling it into pieces), how could you verify that the lenses are indeed polarized?** 46. How much unpolarized light gets through a polarizer? Unpolarized light is as likely to have its polarization vector in one direction as another. Therefore, on average, the up-down component of the polarization vector for unpolarized light will be the same as the right- left component. These equal components in two perpendicular directions are in the same relationship as the E-field components when polarized light hits a polarizer with its polariza- tion vector at 45° to the optic axis. We can use this connection to find out what fraction of the energy in an incident unpolarized beam makes it through the polarizer as polarized light. a) If an electric field vector of a polarized light beam is 45° to the optic axis of the polar- izer, find the ratio between the magnitude of the electric field vector that passes through the polarizer and the magnitude of an incident polarized electric field vector. This will be the same as the ratio of the magnitude of the electric field of the…