COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 23, Problem 24QAP
To determine
The fraction of the incident unpolarized light that passes through two linear polarizing filters placed one behind the other with their transmission directions at an angle 45o.
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Chapter 23 Solutions
COLLEGE PHYSICS
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Can a sound wave in air be polarized? Explain.arrow_forwardShow 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.)arrow_forwardWhen dots are placed on a page from a laser printer, they must be close enough so that you do not see the individual dots of ink. To do this, the separation of the dots must be less than Raleigh's criterion. Take the pupil of the eye to be 3.0 mm and the distance from the paper to the eye of 35 cm; find the minimum separation of two dots such that they cannot be resolved. How many dots per inch (dpi) does this correspond to?arrow_forward
- Does the refractive index of a certain material depend on the color of light incident on it? Explain.arrow_forwardNo light passes through two perfect polarizing filters with perpendicular axes. However, if a third polarizing filter is placed between the original two, some light can pass. Why is this? Under what circumstances does most of the light pass?arrow_forwardYou are told not to shoot until you see the whites of their eyes. If the eyes are separated by 6.5 cm and the diameter of your pupil is 5.0 mm, at what distance can you resolve the two eyes using light of wavelength 555 nm?arrow_forward
- At the end of Example 27.8, it was stated that the intensity of polarized light is reduced to 90.0% of its original value by passing through a polarizing filter with its axis at an angle of 18.4° to the direction of polarization. Verify this statement.arrow_forwardIf b is Brewster's angle for light reflected from the top of an interface between two substances, and b is Brewster's angle for light reflected from below, prove that b+b=90.0.arrow_forwardIntegrated Concepts Suppose you put on two pairs of Polaroid sunglasses with their axes at an angle of 15.0°. How much longer will it take the light to deposit a given amount of energy in your eye compared with a single pair of sunglasses? Assume the lenses are clear except for their polarizing characteristics.arrow_forward
- Integrated Concepts If a polarizing filter reduces the intensity of polarized light to 50.0% of its original value, by how much are the electric and magnetic fields reduced?arrow_forwardGRECA METHOD ONLY Two polaroid A and B are kept with their transmission axes at an angle Ѳ with respect to one another. If the transmitted intensity of light It = 0.42 I0 where I0 is the intensity of light on the system to find Ѳ.arrow_forwardThe condition for total polarization, at Brewster's angle, for a reflected beam from the interface between two media is that the reflected beam and the refracted beam are perpendicular to each other (see Figure 23.22). Use this information to determine a formula for Brewster's angle for an interface between vacuum and medium of index of refraction n.arrow_forward
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