Part 1: When light goes from one material into another material having a HIGHER index of refraction (a) Its speed, wavelength, and frequency all decrease. (b) its speed increases, its wavelength decreases, and its frequency stays the same. (c) its speed decreases but its frequency and wavelength stay the same. (d) its speed decreases but its wavelength and frequency both increase. (e) its speed and wavelength decrease, but its frequency stays the same. Part 2: A convex lens has focal length f. If an object is located extremely far from the lens (at infinity), the image formed is located what distance from the lens? 1. between f and 2f. 2. 2f 3. f 4. between the lens and f 5. Infinity 6. Negative infinity

Part 1: When light goes from one material into another material having a HIGHER index of refraction (a) Its speed, wavelength, and frequency all decrease. (b) its speed increases, its wavelength decreases, and its frequency stays the same. (c) its speed decreases but its frequency and wavelength stay the same. (d) its speed decreases but its wavelength and frequency both increase. (e) its speed and wavelength decrease, but its frequency stays the same. Part 2: A convex lens has focal length f. If an object is located extremely far from the lens (at infinity), the image formed is located what distance from the lens? 1. between f and 2f. 2. 2f 3. f 4. between the lens and f 5. Infinity 6. Negative infinity

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter25: Reflection And Refraction Of Light

Section: Chapter Questions

Problem 5OQ: The index of refraction for water is about 43. What happens as a beam of light travels from air into...

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A ray of monochromatic light is incident on the face of a prism in the shape of an equilateral triangle (that is, the apex angle of the prism is 60.0°). The incidence angle of the light ray is 76.6°. The prism is made of a transparent material with an index of refraction of 1.516 (at the light ray's wavelength). (a) Calculate the angle of refraction at the first surface (in degrees). (Round your answer to at least one decimal place.) ° (b) Calculate the angle of incidence at the second surface (in degrees). (Round your answer to at least one decimal place.) ° (c) Calculate the angle of refraction at the second surface (in degrees). (Round your answer to at least one decimal place.) ° (d) Calculate the angle between the incident and emerging rays (in degrees). (Round your answer to at least one decimal place.) °
A ray of monochromatic light is incident on the face of a prism in the shape of an equilateral triangle (that is, the apex angle of the prism is 60.0°). The incidence angle of the light ray is 76.6°. The prism is made of a transparent material with an index of refraction of 1.492 (at the light ray's wavelength). (a) Calculate the angle of refraction at the first surface (in degrees). (Round your answer to at least one decimal place.) (b) Calculate the angle of incidence at the second surface (in degrees). (Round your answer to at least one decimal place.) (c) Calculate the angle of refraction at the second surface (in degrees). (Round your answer to at least one decimal place.) (d) Calculate the angle between the incident and emerging rays (in degrees). (Round your answer to at least one decimal place.) °
When light moves from a material with a smaller index of refraction into a material with a larger index of refraction what happens to the light? A. Its speed and wavelength increase but the frequency stays the same. B. It's speed a decreases but it's frequency and wavelength stays the same. C. Its speed and wavelength decreases and its frequency stays the same. D. Its speed decreases but its wavelength and frequency both increase. E. It's speed wavelength and frequency all increase.
A beam of light (angle θ₀=15°) inside a transparent material (n=2) hits the surface. Notice the change in subscripts of the angles. For example, the refraction angle is θt, for "transmitted", whereas θr is the "reflected" angle. Use the correct quantity, not necessarily the variable name. Calculate the transmitted (refracted) angle. Please see photo for more details.
ray 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?
When light travels from air into water, which of the following statements is accurate? a. The wavelength decreases, and the speed decreases. b. The wavelength decreases, and the speed increases. c. The wavelength increases, and the speed decreases. d. The wavelength increases, and the speed increases.
What is the speed of light through a piece of clear plastic if its index of refraction is 1.7? a. 5.10x106 m/s b. 1.76x108 m/s c. 3.00x108 m/s d. 5.10x108 m/s
A ray of light passes from medium A to medium B. If the angle of incidence is 30° and the angle of refraction is 38°, which of the following statements is TRUE? A. The index of refraction of A is greater than the index of refraction of B. B. The index of refraction of A is lower than the index of refraction of B. C. A and B have equal indices of refraction. D. It cannot be determined unless at least one index of refraction was given. E. It cannot be determined unless the types of material of the two media were given.
What is the angle of deviation if a ray of light in water is incident at an angle of 25 degrees and the angle of refraction is 15 degrees? A. 40 degrees B. -10 degrees C. 10 degrees D. +40 degrees
What is the critical angle if a light ray begins in an object with an index of refraction of 1.7 and enters a substance with an index of refraction of 1.2? A. 54.5° B. 45.1° C. 35.2° D. 44.9°
If the index of refraction is less than the index of incidence, which of the following is TRUE? a.The refracted ray bends towards the normal b.Angle of refraction is equal to the angle of incidence c.Angle of refraction is larger than the angle of incidence d.Angle of refraction is smaller than the angle of incidence Which of the following is TRUE? a.Increasing the incident angle has no effect on the intensity of the reflected light ray. b.Increasing the incident angle decreases the intensity of the reflected light ray. c.Increasing the incident angle increases the intensity of the refracted light ray. d. Increasing the incident angle increases the intensity of the reflected light ray.
A light beam is traveling through an unknown substance. When it strikes a boundary between that substance and the air (?air≈1),(nair≈1), the angle of reflection is 25.0∘25.0∘ and the angle of refraction is 47.0∘.47.0∘. What is the index of refraction ?n of the substance?