University Physics Volume 3
17th Edition
ISBN: 9781938168185
Author: William Moebs, Jeff Sanny
Publisher: OpenStax
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Textbook Question
Chapter 1, Problem 29P
In what substance in Table 1.1 is the
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Answer must be in standard form scientific notation with SI units that do not have prefixes except for kg. Provide the answer with the correct amount of significant figures. Thank you so much I greatly appreciate it
A light beam is traveling through an unknown substance. When it strikes a boundary between that substance and the air (nair 1),
the angle of reflection is 33.0° and the angle of refraction is 47.0°. What is the index of refraction n of the substance?
n =
The speed of light changes when it goes from ethyl alcohol (n = 1.36) to carbon tetrachloride (n = 1.46). The ratio of the speed in carbon tetrachloride to the speed in ethyl alcohol, vz/vi, is
а.
1.99
b.
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0.932
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Chapter 1 Solutions
University Physics Volume 3
Ch. 1 - Check Your Understanding Table 1.1 shows that...Ch. 1 - Check Your Understanding In Table 1.1, the solid...Ch. 1 - Check Your Understanding At the surface between...Ch. 1 - Check Your Understanding In the preceding example....Ch. 1 - Check Your Understanding in Example 1.6, we had...Ch. 1 - Check Your Understanding Although we did no...Ch. 1 - Check Your Understanding What happens at...Ch. 1 - Under what conditions can light be modeled like a...Ch. 1 - Why is the index of refraction always greater than...Ch. 1 - Does the fact that the light flash from lightning...
Ch. 1 - Speculate as to s1at physical process might be...Ch. 1 - Using the law of reflection, explain how powder...Ch. 1 - Diffusion by reflection from a rough surface is...Ch. 1 - Will 1igt change direction toward or away from the...Ch. 1 - Exp1ain why an object in water always appears to...Ch. 1 - Explain why a person’s legs appear very short when...Ch. 1 - Explain why an oar that is partially submerged in...Ch. 1 - A ring with a colorless gemstone is dropped into...Ch. 1 - The most common type of mirage is an illusion that...Ch. 1 - How can you use total internal reflection to...Ch. 1 - Is it possible that total internal reflection...Ch. 1 - A high-quality diamond may be quite clear and...Ch. 1 - How do wave effects depend on the size of the...Ch. 1 - Does Huygens’s principle apply to all types of...Ch. 1 - If diffraction is observed for some phenomenon, it...Ch. 1 - Can a sound wave in air be polarized? Explain.Ch. 1 - No light passes through two perfect polarizing...Ch. 1 - Explain what happens to the energy carried by...Ch. 1 - When particles scattering light are much smaller...Ch. 1 - Using the information given in the preceding...Ch. 1 - When light is reflected at Brewster’s angle from a...Ch. 1 - If you lie on a beach looking at the water with...Ch. 1 - What is the speed of light in water? In glycerine?Ch. 1 - What is the speed of light in air? In crown glass?Ch. 1 - Calculate the index of refraction for a medium in...Ch. 1 - In what substance in Table 1.1 is the speed of...Ch. 1 - There was a major collision of an asteroid with...Ch. 1 - Components of some computers communicate with each...Ch. 1 - Compare the time it takes for light to travel 1000...Ch. 1 - How far does light travel underwater during a time...Ch. 1 - Suppose a man stands in front of a mm-or as show...Ch. 1 - Show that when light reflects from two mirrors...Ch. 1 - On the Moon’s surface, lunar astronauts placed a...Ch. 1 - A flat mirror Is neither converging nor diverging....Ch. 1 - A light beam in air has an angle of incidence of...Ch. 1 - A light beam in air is incident on the surface of...Ch. 1 - When a light ray crosses from water into glass, it...Ch. 1 - A pencil flashlight submerged in water sends a...Ch. 1 - Light rays from the Sun make a 30° angle to the...Ch. 1 - The path of a light beam in air goes from an angle...Ch. 1 - A scuba diver training in a pool looks at his...Ch. 1 - (a) Using information in the preceding problem,...Ch. 1 - Verify that the critical angle for light going...Ch. 1 - (a) At the end of Example 1.4, it was stated that...Ch. 1 - An optical fiber uses flint glass clad with crown...Ch. 1 - At that minimum angle will you get total internal...Ch. 1 - Suppose you are using total internal reflection to...Ch. 1 - You can determine the index of refraction of a...Ch. 1 - A ray of light, emitted beneath the surface of an...Ch. 1 - Light rays fall normally on the vertical surface...Ch. 1 - (a) What is the ratio of the speed of red light to...Ch. 1 - A beam of white light goes from air into water at...Ch. 1 - By how much do the critical angles for red (660...Ch. 1 - (a) A narrow beam of light containing yellow (580...Ch. 1 - A parallel beam of light containing orange (610...Ch. 1 - A ray of 610-nm light goes from air into fused...Ch. 1 - A narrow beam of light containing red (660 nm) and...Ch. 1 - A narrow beam of white light enters a prism made...Ch. 1 - What angle is needed between the direction of...Ch. 1 - The angle been the axes of two polarizing filters...Ch. 1 - Two polarizing sheets P1 and P2 are placed...Ch. 1 - Suppose that in the preceding problem the light...Ch. 1 - If you have completely polarized light of...Ch. 1 - What angle would the axis of a polarizing filter...Ch. 1 - At the end of Example 17, it was stated that the...Ch. 1 - Show that if you have three polarizing filters,...Ch. 1 - Three polarizing sheets are placed together such...Ch. 1 - In order to rotate the polarization axis of a beam...Ch. 1 - It is found that when light traveling in water...Ch. 1 - At what angle ill lig1t reflected from diamond be...Ch. 1 - What is Brewster’s angle for light traveling in...Ch. 1 - A scuba diver sees light reflected from the...Ch. 1 - From his measurements, Roemer estimated that it...Ch. 1 - Cornu performed Fizeau’s measurement of the speed...Ch. 1 - Suppose you have an unknown clear substance...Ch. 1 - Shown below is a ray of light going from air...Ch. 1 - Considering the previous problem, show that 3is...Ch. 1 - At what angle is light inside crown glass...Ch. 1 - Light reflected at 55.6° from a window is...Ch. 1 - (a) Light reflected at 62.5° from a gemstone in a...Ch. 1 - If bis Brewster’s angle for light reflected from...Ch. 1 - Unreasonable results Suppose light travels from...Ch. 1 - Unreasonable results Light traveling from water to...Ch. 1 - If a polarizing filter reduces the intensity of...Ch. 1 - Suppose you put on two pairs of polarizing...Ch. 1 - (a) On a day when the intensity of sunlight is...Ch. 1 - Light shows staged with lasers use moving mirrors...Ch. 1 - Consider sunlight entering Earth’s atmosphere at...Ch. 1 - A light ray entering an optical fiber surrounded...Ch. 1 - A light ray falls on the left face of a prism (see...Ch. 1 - If the apex angle in the previous problem is 20.0°...Ch. 1 - The light incident on polarizing sheet P1is...Ch. 1 - Prove that if I is the intensity of light...
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- n = 1.7 and (A beam of light) θ₀ = 17°. Calculate θᵣ, the reflected angle.arrow_forward13. 650 51° Fig N Figure 2 shows a ray of light x in glass refracted into air. If the speed of light in air is 3.0 x 105 ms'. Which of the following is the correct value for the speed of light in glass? A 2.0 x 10* ms- B 3.0 x 10° ms- 1.8 x 10° ms! D 340 msarrow_forwardAsap.arrow_forward
- Ex. 16: The speed of light in air is 3 × 108 m/s and that in diamond is 1.4 × 108 m/s. Find R. I. of diamond.arrow_forwardIn what substance in this table is the speed of light 1.985 ✕ 108 m/s?arrow_forwardThe speed of light changes when it goes from ethyl alcohol (n = 1.36) to carbon tetrachloride ( = 1.46). The ratio of the speed in carbon tetrachloride to the speed in ethyl alcohol, vz/v1, is а. 1.99 b. 1.07 с. 0.932 d. 0.511 е. 0.760arrow_forward
- The index of refraction in a plastic rod is 2.59. What is the speed of light in this plastic rod (in meters per second)? Write your answer in Scientific Notation.arrow_forwardA light ray is directed toward the surface of a block of crown glass at an angle of 34.0° with respect to the normal (a line perpendicular to the surface at the spot where the ray hits the block). A fraction of the light is reflected and the rest refracted. What is the angle (in degrees) between the reflected and refracted rays? °arrow_forwardA light beam is shone into a mystery material. The light beam has an incident angle of 38 degrees and a refracted angle of 24 degrees. If n1 = 1.00, what is n2?arrow_forward
- A ray of light travels from air into another medium, making an angle of θ1 = 45.0° with the normal as in the figure below. (A light ray in air is moving down and to the right and is incident on a second medium. It makes an angle θ1 with the vertical. Inside the vertical, it continues to move down and to the right but at a steeper slope than the incident ray. It makes an angle θ2 with the vertical.) (a) Find the angle of refraction θ2 if the second medium is ice. °(b) Find the angle of refraction θ2 if the second medium is flint glass. °(c) Find the angle of refraction θ2 if the second medium is carbon tetrachloride. °arrow_forwardWhen a ray of light changes media , it will refract (bend). With angles being measured from the normal, the amount of refraction can be found using Snell's Law . Traveling through any medium light will have a speed given by the equation shown where n represents the index of refraction and is the speed of light in a vacuum (3 * 10 ^ 8 * m/c) . A) In the picture of refraction shown which index of refraction is larger n1 or n2 B)In what medium does the lightbeam shown travel faster C) Measure the angles, Assuming n1 refers to vaccum what is the value of n2? How fast does light travel within n2?arrow_forwardray of light strikes a flat block of glass at an incidence angle of ?1 = 38.6°. The glass is 2.00 cm thick and has an index of refraction that equals ng = 1.52. a.)What is the angle of refraction, ?2, that describes the light ray after it enters the glass from above? (Enter your answer in degrees to at least 2 decimal places.) b.) With what angle of incidence, ?3, does the ray approach the interface at the bottom of the glass? (Enter your answer in degrees to at least 2 decimal places.) c.) With what angle of refraction, ?4, does the ray emerge from the bottom of the glass? (Enter your answer in degrees to at least 1 decimal place.) d.) The distance d separates the twice-bent ray from the path it would have taken without the glass in the way. What is this distance (in cm)? e.) At what speed (in m/s) does the light travel within the glass? f.) How many nanoseconds does the light take to pass through the glass along the angled path shown here?arrow_forward
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