Q3:a) Three polarizing filters are stacked with the polarizing axes of the second and third at 45.0° and 90.0° respectively with that of the first. If unpolarized light of intensity 10 is incident on the stack, find the intensity and state of polarization of light emerging from each filter. If the second filter is removed, what is the intensity of the light emerging from each remaining filter?
Q3:a) Three polarizing filters are stacked with the polarizing axes of the second and third at 45.0° and 90.0° respectively with that of the first. If unpolarized light of intensity 10 is incident on the stack, find the intensity and state of polarization of light emerging from each filter. If the second filter is removed, what is the intensity of the light emerging from each remaining filter?
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Transcribed Image Text:Q3:a) Three polarizing filters are stacked with the polarizing axes of the second and third at 45.0° and
90.0° respectively with that of the first. If unpolarized light of intensity 10 is incident on the stack,
find the intensity and state of polarization of light emerging from each filter. If the second filter is
removed, what is the intensity of the light emerging from each remaining filter?
b) Young's experiment is performed with light from excited helium atoms (= 502 nm). Fringes are
measured carefully on a screen 1.20 m away from the double slit, and the center of the 20th fringe (not
counting the central bright fringe) is found to be 10.6 mm from the center of the central bright fringe.
What is the separation of the two slits?
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