If unpolarized light is incident from the left on threepolarizers as shown in Fig. 24–57, in which case will somelight get through?(a) Case 1 only.(b) Case 2 only.(c) Case 3 only.(d) Cases 1 and 3.(e) All three cases.(1)(2FIGURE 24-57(3MisConceptualQuestion 12.

Light passes thought the polaroids

Answered: If unpolarized light is incident from…

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter1: The Nature Of Light

Section: Chapter Questions

Problem 69P: Show that if you have three polarizing filters, with the second at an angle of 45.0to the first and...

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Two Polaroids are aligned so that the initially unpolarized light passing through them is a maximum. At what angleshould one of them be placed so the transmitted intensity issubsequently reduced by half?
What must be the minimum value of the index of refraction of the prism shown in Fig. 19.16 a in order that light betotally reflected where indicated? Is the index of refraction of mosttypes of glass greater than this value?
Does a greater amount of light pass through 2 polarized filters arranged at 0 degrees & 90 degrees -or- does more light pass through 3 polarized filters arranged at 0 degrees, 45 degrees & 90 degrees?
A beam of light is emitted in a pool of water(nwater= 1.33) from a depth of 86.0 cm. At what minimum distance must it strike the air-water interface, relative to the spot on the surfacedirectly above it, in order that the light does not exit the water?
What percentage of light is transmitted by two ideal Polaroids, one on lop of the other with their polarization axes aligned? With their axes at right angles to each other?
Unpolarized light passes through two polaroid filters that are oriented such that the angle between their polarization axes is 45o. What fraction of the incident light emerges from the system?
A beam of light is emitted in a pool of water from adepth of 82.0 cm. Where must it strike the air–water interface, relative to the spot directly above it, in order that thelight does not exit the water?
Check Your Understanding Although we did no specify the direction in Example 1.7, let’s say the polarizing filter was rotated clockwise by 71.6° to reduce the light intensity by 90.0%. What would be the intensity reduction if the polarizing filter were rotated counterclockwise by 71.6°’
Show that if you have three polarizing filters, with the second at an angle of 45° to the first and the third at an angle of 90.0° to the first, the intensity of light passed by the first will be reduced to 25.0% of its value. (This is in contrast to having only the first and third, which reduces the intensity to zero, so that placing the second between them increases the intensity of the transmitted light.)
Two polarizing sheets P1 and P2 are placed together with their transmission axes oriented at an angle to each other. What is when only 25% of the maximum transmitted light intensity passes through them?
Suppose you are using total internal reflection to make an efficient corner reflector. If there is air outside and the incident angle is 45.0°, what must be the minimum index of refraction of the material from which the reflector is made?
Verify that the critical angle for light going from water to air is 48.6°, as discussed at the end of Example 1.4, regarding the critical angle for lig1it traveling in a polystyrene (a type of plastic) pipe surrounded by air.

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If unpolarized light is incident from the left on three polarizers as shown in Fig. 24–57, in which case will some light get through? (a) Case 1 only. (b) Case 2 only. (c) Case 3 only. (d) Cases 1 and 3. (e) All three cases. (1) (2 FIGURE 24-57 (3 MisConceptual Question 12.