Question 22 b) its speed and its wavelength decreases; remains the same. O decreases; decreases. remains the same; decreases. decreases; increases. Question 8 When light refracts from air to glass, Question 21 a) its frequency and the angle with the normal increases; decreases. decreases; increases. Oremains the same; decreases. O increases; increases.

Question 22 b) its speed and its wavelength decreases; remains the same. O decreases; decreases. remains the same; decreases. decreases; increases. Question 8 When light refracts from air to glass, Question 21 a) its frequency and the angle with the normal increases; decreases. decreases; increases. Oremains the same; decreases. O increases; increases.

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter25: Geometric Optics

Section: Chapter Questions

Problem 33PE: A ray of 610 nm light goes from air into fused quartz at an incident angle of 55.0°. At what...

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In Section 9.6, we described how the speed of light varies with wavelength (or frequency) for transparent solids. But the speed of light in matter is also a function of temperature and pressure. This dependence is most marked for gases and is instrumental in producing such things as mirages and atmospheric refraction, the latter phenomenon being the displacement of an astronomical object (like the Sun or another star) from its true position because of the passage of its light through the atmosphere. Because Earth’s atmosphere is a gaseous mixture and easily compressed, its density is highest near Earth’s surface and gradually declines with altitude. (Refer to the discussion in Section 4.4 and Figure 4.29.) Thus, the speed of light in the atmosphere is lowest near the surface and gradually gets higher, approaching c as one goes farther and farther into space. Using this fact and the law of refraction, sketch the path a light ray from the Sun would follow upon entering Earth’s atmosphere, and predict the apparent position of the Sun relative to its true position (Figure 9.85). What does this tell you about the actual location of the Sun’s disk relative to your local horizon when you see it apparently setting brilliantly in the west in the evening?
Calculate the power at the eye when viewing an object 3.00 m away.
Why does the wavelength of light decrease when it passes from vacuum into a medium? State which attributes change and which stay the same and, thus, require the wavelength to decrease.
What is the speed of light in air? In crown glass?
A bright white light under water is collimated and directed upon a prism, What range of colors does one see emerging?
Show that when light reflects from two mirrors that meet each other at a right angle, the outgoing ray is parallel to the incoming ray, as illustrated in the following figure. Figure 25.51 A corner reflector sends the reflected reflected ray back in a direction parallel to the incident ray, independent of incoming direction.
A cataract is cloudiness in the lens of the eye. Is light dispersed or diffused by it?
Propose a way to study the function of the rods alone, given they can sense light about 1000 times dimmer than the cones.
(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically involve integrating or extending the concepts presented thus far.) . A light ray in air enters a block of clear plastic as shown in Figure 9.84. Which of the numbered paths represents the correct one for the ra in the plastic? Justify your choice by appealing to the appropriate law(s) of optics.
Verify that the critical angle for light going from water to air is 48.6°, as discussed at the end of Example 25.4, regarding the critical angle for light traveling in a polystyrene (a type of plastic) pipe surrounded by air.
At what minimum angle will you get total internal reflection of light traveling in water and reflected from ice?
What is the power of the eye when viewing an object 50.0 cm away?