MASTERPHYS:KNIGHT'S PHYSICS ACCESS+WKB
4th Edition
ISBN: 9780135245033
Author: Knight
Publisher: PEARSON
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Textbook Question
Chapter 16, Problem 24EAP
a. How long does it take light to travel through a 3.0-mm-thick piece of window glass? b. Through what thickness of could light travel in the same amount of time?
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Students have asked these similar questions
a. How long (in ns) does it take light to travel 1.0 m in a vacuum?b. What distance does light travel in water, glass, and diamond during the time that it travels 1.0 m in a vacuum?
Assume that a material is composed of 3 layers in descending order: air (nair = 1.00), water (nwater = 1.33),
and glass (nglass= 1.52). Then, assume that a monochromatic light ray in the air passes through the surface
of water with an angle of incidence 0₁ = 40 degrees.
A. Find the angle of refraction in glass after it passes completely through the water layer.
B. Find how fast is the light ray moving in the glass?
Q. A light of wave length 6000A0 in air enters a
medium with refractive index 1.5. what will be
the frequency and wave length of light in
medium?
Chapter 16 Solutions
MASTERPHYS:KNIGHT'S PHYSICS ACCESS+WKB
Ch. 16 - Prob. 1CQCh. 16 - A wave pulse trath along a stretched string at a...Ch. 16 - FIGURE Q16.3 is a history graph showing the...Ch. 16 - FIGURE Q16.4 shows a snapshot graph and a history...Ch. 16 - Rank in order, from largest to smallest, the...Ch. 16 - A sound wave with wavelength ?0 and frequency...Ch. 16 - Prob. 7CQCh. 16 - FIGURE Q16.8 is a snapshot graph of a sinusoidal...Ch. 16 - FIGURE Q16.9 shows the wave fronts of a circular...Ch. 16 - Prob. 10CQ
Ch. 16 - One physics professor talking produces a sound...Ch. 16 - You are standing at x = 0 m, listening to a sound...Ch. 16 - The wave speed on a string under tension is 200...Ch. 16 - The wave speed on a string is 150 m/s when the...Ch. 16 - A 25 g string is under 20 N of tension. A pulse...Ch. 16 - Draw the history graph D(x = 4.0 m, t ) at x = 4.0...Ch. 16 - Prob. 5EAPCh. 16 - Draw the snapshot graph D (x, t = 0 s) at t = 0 s...Ch. 16 - Prob. 7EAPCh. 16 - Prob. 8EAPCh. 16 - Prob. 9EAPCh. 16 - A wave has angular frequency 30 rad/s and...Ch. 16 - A wave travels with speed 200 m/s. Its wave number...Ch. 16 - Prob. 12EAPCh. 16 - The displacement of a wave traveling in thee...Ch. 16 - What are the amplitude, frequency and wavelength...Ch. 16 -
15. Show that the displacement D(x, t) cx2 + dt2,...Ch. 16 - Show that the displacement D(x, t) = ln(ax + bt),...Ch. 16 - a. What is the wavelength of a 2.0 MHz ultrasound...Ch. 16 - Prob. 18EAPCh. 16 - Prob. 19EAPCh. 16 - Prob. 20EAPCh. 16 - Prob. 21EAPCh. 16 - Prob. 22EAPCh. 16 - 23. Cell phone conversations are transmitted by...Ch. 16 - a. How long does it take light to travel through a...Ch. 16 - A light wave has a 670 nm wavelength in air. Its...Ch. 16 - Prob. 26EAPCh. 16 - Prob. 27EAPCh. 16 - Prob. 28EAPCh. 16 - Prob. 29EAPCh. 16 - Prob. 30EAPCh. 16 - Prob. 31EAPCh. 16 - Prob. 32EAPCh. 16 - A sound wave with intensity 2.0 × l0-3 W/m2 is...Ch. 16 - Prob. 34EAPCh. 16 - Prob. 35EAPCh. 16 - During takeoff, the sound intensity level of a jet...Ch. 16 - 37. The sun emits electromagnetic waves with a...Ch. 16 - What are the sound intensity levels for sound...Ch. 16 - Prob. 39EAPCh. 16 - Prob. 40EAPCh. 16 - Prob. 41EAPCh. 16 - Prob. 42EAPCh. 16 - A bat locates insects by emitting ultrasonic...Ch. 16 - Prob. 44EAPCh. 16 - 45. I FIGURE P16.45 is a history graph at x = 0 m...Ch. 16 - . I FIGURE P16.46 is a snapshot graph at t=0sof a...Ch. 16 - Prob. 47EAPCh. 16 - Prob. 48EAPCh. 16 - Prob. 49EAPCh. 16 - A helium-neon laser beam has a wavelength in air...Ch. 16 - Earthquakes are essentially sound waves—called...Ch. 16 - Helium (density 0.18k/m ’ at 0C and 1 atm...Ch. 16 - Prob. 53EAPCh. 16 - 54. A sound wave is described by ,where y is in m...Ch. 16 - A wave on a string is described by...Ch. 16 - Prob. 56EAPCh. 16 - Prob. 57EAPCh. 16 - Prob. 58EAPCh. 16 - Prob. 59EAPCh. 16 - The string in FIGURE P16.60 has linear density ....Ch. 16 - A string that is under 50.0N of tension has linear...Ch. 16 - Prob. 62EAPCh. 16 - A sinusoidal wave travels along a stretched...Ch. 16 - Prob. 64EAPCh. 16 - Prob. 65EAPCh. 16 - An AM radio station broadcasts with a power of...Ch. 16 - Prob. 67EAPCh. 16 - The sound intensity 50m from a wailing tornado...Ch. 16 - Prob. 69EAPCh. 16 - 70. A compact sound source radiates of sound...Ch. 16 - Prob. 71EAPCh. 16 - Prob. 72EAPCh. 16 - Prob. 73EAPCh. 16 - Prob. 74EAPCh. 16 - Prob. 75EAPCh. 16 - Prob. 76EAPCh. 16 - Prob. 77EAPCh. 16 - A starship approaches its home planet at a speed...Ch. 16 - Prob. 79EAPCh. 16 - Prob. 80EAPCh. 16 - Prob. 81EAPCh. 16 - A roof mass m and length L hangs from a ceiling....Ch. 16 - A communications truck with a 44-cm-diameter dish...Ch. 16 - Prob. 84EAPCh. 16 - A water wave is a shallow-water wave if the water...
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- Unreasonable results Light traveling from water to a gemstone strikes the surface at an angle of 80.00 and has an angle of refraction of 15.2°. (a) What is the speed of light in the gemstone? (b) What is unreasonable about this result? (c) Which assumptions are unreasonable or inconsistent?arrow_forwardTo save money on making military aircraft invisible to radar, an inventor decides to coat them with a nonreflective material having an index of refraction of 1.20, which is between that of air and the surface of the plane. This, he reasons, should be much cheaper than designing Stealth bombers. (a) What thickness should the coating be to inhibit the reflection of 4.00-cm wavelength radar? (b) What is unreasonable about this result? (c) Which assumptions are unreasonable or inconsistent?arrow_forwardLight travels through a vacuum at a speed of 3 x 108 m/s. Determine the speed of light in the following materials: a. water (n = 1.3)b. crown glass (n = 1.52) c. cubic zirconia (n = 2.16) d. diamond (n = 2.419)arrow_forward
- A flat panel, with surface area A, reflects 75% of the incident light with intensity I and absorbs the rest. What is the average force on the stone at normal incidence? a. 0.25 IA/c b. 0.75 IA/c c. 1.00 IA/c d. 1.25 IA/c e. 1.75 IA/carrow_forwardLight travels through a vacuum at a speed of 2.998 x 108 m/s. Determine the speed of light in the following media: a. water (n = 1.333)b. crown glass (n = 1.52)c. cubic zirconia (n = 2.16)d. diamond (n = 2.419)arrow_forward10arrow_forward
- . What is the speed of light in water? In glycerine? The refractive index of light in water is 1.333 and in glycerine is 1.473. Speed to light in vacuum is 3×10 m/s. V watei V glycerine m S m Sarrow_forwardLight of wavelength 541 nm is incident from air (n = 1) to glass (n = 1.51). A). What is the wavelength of the light in glass? B). If the angle of incidence is 37°, What is the angle of refraction? C. If the angle of refraction is 39.80°, at what angle did the light touch the glass surface?arrow_forwardA light wave has a 604 nm wavelength in the air. Its wavelength in a transparent solid is 416 nm. What is the speed of light (in m/s) in this solid?arrow_forward
- A beam of light propagating through water (nwater = 4/3) strikes a glass plate (nglass = 3/2) at 30° incident angle and is reflected. What is the angle of reflection and speed of the reflected beam? (c = speed of light in vacuum) a. 30°; c/2 b. 30°; 3c/4 c. 30°; 2c/3 d. 60°: 3c/4 e. 60°; 2c/3arrow_forward4. Imagine that two very smooth glass plates are stacked on top of each other sounded by air. The first plate has an index of refraction of 1.4, while the second plate has an index of refraction of 1.7. A light ray is incident on the top surface of the first plate at an angle e. What is the speed of the light ray through the top plate? A. 2.1x108 m/s B. 2.6x108 m/s C. 0.8x108 m/s D. 3.0x108 m/sarrow_forwardA ray of light is incident on the surface of a smooth, level piece of glass at an angle of 38.00 to the normal line for the plane of the glass. The light passes into the glass medium at an angle of 23.00 to the normal line. What is the index of refraction of the glass? a. 1.68 b. 1.38 c. 1.78 d. 1.58 e. 1.48arrow_forward
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