Unpolarized light is passed through a polarized-analyzer combination. The transm

Question

Unpolarized light is passed through a polarized-analyzer combination. The transmission axes of the polarizer and the analyzer are at 30.0degree to each other. What percentage of the original light gets through the combination? 37.5 % 50.0% 63.7% 75.0% 100% In the figure below, unpolarized light is incident on three polarizer arranged in series at 0degree, 3odegree, and 90degree. What is the intensity of the resultant beam? 1/2 I_0(cos^2 30degree)(cos^2 90degree) 1/2 I_0(cos^2 30degree)(cos^2 60degree) 1/2 I_0(cos^2 60degree)(cos^2 90degree) 1/2 I_0(cos^2 0degree)(cos^2 30degree) In a double-slit experiment, when the wavelength of the light is increased, the interference pattern spreads out stays the same shrinks together disappears The diffraction pattern below arises from a single slit. If we would like to sharpen the pattern, i.e., make the central bright spot narrower, what should we do to the slit width? Narrow the slit widen the slit enlarge the screen close off the slit

Explanation / Answer

13) Let the intensity of original light be S

whn it passes through polarizer intensity of polarized light = S/2

when it passes through analyzer the in tensity of the light is s/2 cos230 degree

percentage of original light = (S/2 cos230 degree / S) *100 = 37.5 %

14) as light of intensity I passes through first polarizer the intensity becomes I/2

as it passes through second polarizer the intensity becomes I/2 COS2 30

as it passes through third polarizer since angle difference between second and third polarizer is 90 - 30 = 60 degree

the intensity becomes 1/2 I COS230 COS260

Related Questions

Navigate

• Browse (All)
• Browse U
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.