Physics for Scientists and Engineers with Modern Physics
4th Edition
ISBN: 9780131495081
Author: Douglas C. Giancoli
Publisher: Addison-Wesley
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 34, Problem 44P
To determine
The luminous flux and luminous intensity of the sun.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
(12) Explain how light can be a self-sustaining wave based on what you know of laws of electromagnetism.
1. The electric field of a light wave propagating in a medium of
re fracti ve
E = 10N/C cos(1015t+ 5.10€y)i
index
be
expresse d
a s
сan
Determine the following: propagation constant, period, velocity in the
medium, refractive index of the medium and magnetic field associated
with this electric field.
2a.(i) A photon of wavelength 1.06µm is combined with a photon of
wavelength 0.85µm to create a new photon whose energy is the sum of
energies of these two photons. What is the wavelength of the new photon?
(ii)How many photons are emitting from the laser diode in 5 minutes if its
power is 1mW?
2b. A 1.55-um digital communication system operating at 1 Gb/s receives
an average power of –40 dBm at the detector. Assuming that 1 and 0 bits
are equally likely to occur, calculate the number of photons received
within each 1 bit.
In the photodiode, the luminous flux can be measured in:
a) kg / m3
b) m2 kg s-2
c) m2 kg s-3
Chapter 34 Solutions
Physics for Scientists and Engineers with Modern Physics
Ch. 34.2 - A light beam in air with wavelength = 500 nm,...Ch. 34.4 - What are the values for the intensity I when (a) y...Ch. 34 - Prob. 1QCh. 34 - What is the evidence that light is energy?Ch. 34 - Why is light sometimes described as rays and...Ch. 34 - We can hear sounds around corners but we cannot...Ch. 34 - Can the wavelength of light be determined from...Ch. 34 - Two rays of light from the same source...Ch. 34 - Monochromatic red light is incident on a double...Ch. 34 - If Youngs double-slit experiment were submerged in...
Ch. 34 - Compare a double-slit experiment for sound waves...Ch. 34 - Suppose white light falls on the two slits of Fig....Ch. 34 - Why doesnt the light from the two headlights of a...Ch. 34 - Why are interference fringes noticeable only for a...Ch. 34 - Prob. 13QCh. 34 - Some coated lenses appear greenish yellow when...Ch. 34 - A drop of oil on a pond appears bright at its...Ch. 34 - (II) Derive the law of reflectionnamely, that the...Ch. 34 - (I) Monochromatic light falling on two slits 0.018...Ch. 34 - (I) The third-order bright fringe of 610 nm light...Ch. 34 - (II) Monochromatic light falls on two very narrow...Ch. 34 - (II) If 720-nm and 660-nm light passes through two...Ch. 34 - (II) A red laser from the physics lab is marked as...Ch. 34 - (II) Light of wavelength passes through a pair of...Ch. 34 - (II) Light of wavelength 680 nm falls on two slits...Ch. 34 - (II) A parallel beam of light from a HeNe laser,...Ch. 34 - (II) A physics professor wants to perform a...Ch. 34 - (II) Suppose a thin piece of glass is placed in...Ch. 34 - (II) In a double-slit experiment it is found that...Ch. 34 - (II) Two narrow slits separated by 1.0 mm are...Ch. 34 - (II) In a double-slit experiment, the third-order...Ch. 34 - (II) Light of wavelength 470 nm in air falls on...Ch. 34 - (II) A very thin sheet of plastic (n = 1.60)...Ch. 34 - (I) If one slit in Fig. 3412 is covered, by what...Ch. 34 - (II) Derive an expression similar to Eq. 342 which...Ch. 34 - (II) Show that the angular full width at half...Ch. 34 - (II) In a two-slit interference experiment, the...Ch. 34 - (III) Suppose that one slit of a double-slit...Ch. 34 - (III) (a) Consider three equally spaced and...Ch. 34 - (I) If a soap bubble is 120 nm thick, what...Ch. 34 - (I) How far apart are the dark fringes in Example...Ch. 34 - (II) (a) What is the smallest thickness of a soap...Ch. 34 - (II) A lens appears greenish yellow ( = 570 nm is...Ch. 34 - (II) A thin film of oil (nO = 1.50) with varying...Ch. 34 - (II) A thin oil slick (no = 1.50) finals on water...Ch. 34 - (II) A total of 31 bright and 31 dark Newtons...Ch. 34 - (II) A line metal foil separates one end of two...Ch. 34 - (II) How thick (minimum) should the air layer be...Ch. 34 - (II) A uniform thin film of alcohol (n = 1.36)...Ch. 34 - (II) Show that the radius r of the mth dark...Ch. 34 - (II) Use the result of Problem 33 to show that the...Ch. 34 - (II) When a Newtons ring apparatus (Fig. 3418) is...Ch. 34 - (II) A planoconvex lucite lens 3.4 cm in diameter...Ch. 34 - (II) Lets explore why only thin layers exhibit...Ch. 34 - (II) How far must the mirror M1 in a Michelson...Ch. 34 - (II) What is the wavelength of the light entering...Ch. 34 - (II) A micrometer is connected to the movable...Ch. 34 - (III) One of the beams of an interferometer (Fig,...Ch. 34 - (III) The yellow sodium D lines have wavelengths...Ch. 34 - Prob. 44PCh. 34 - (II) The luminous efficiency of a lightbulb is the...Ch. 34 - Light of wavelength 5.0 107 m passes through two...Ch. 34 - Television and radio waves reflecting from...Ch. 34 - A radio station operating at 88.5 MHz broadcasts...Ch. 34 - Light of wavelength 690 nm passes through two...Ch. 34 - Monochromatic light of variable wavelength is...Ch. 34 - Suppose the mirrors in a Michelson interferometer...Ch. 34 - A highly reflective mirror can be made for a...Ch. 34 - Calculate the minimum thickness needed for an...Ch. 34 - Stealth aircraft are designed to not reflect...Ch. 34 - Light or wavelength strikes a screen containing...Ch. 34 - Consider two antennas radiating 6.0-MHz radio...Ch. 34 - What is the minimum (non-zero) thickness for the...Ch. 34 - Lloyds mirror provides one way of obtaining a...Ch. 34 - Consider the antenna army of Example 345, Fig....Ch. 34 - A thin film of soap (n = 1.34) coats a piece of...Ch. 34 - Two identical sources S1 and S2, separated by...Ch. 34 - A two-slit interference set-up with slit...Ch. 34 - A radio telescope, whose two antennas are...Ch. 34 - In a compact disc (CD), digital information is...
Knowledge Booster
Learn more about
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
- Write the approximate wavelength for (i) blue and (ii) red light.arrow_forward06) A spacecraft antenna is at an angle of 10° relative to the axis of the spacecraft. If the spacecraft moves away from the earth at a speed of 0.70c, what is the angle of the antenna as seen from the earth?arrow_forwardThe electric field vector of a monochromatic light beam is given by: (a) Determine the direction and direction of propagation of the wave. (b) Determine the values of λ and ω. Does this wave belong to the visible spectrum? If so, what color will be observed? (c) Determine the magnetic field vector. (d) Assuming that the beam normally strikes a surface, determine its intensity.arrow_forward
- 2. A satellite orbiting the Earth is powered by photovoltaic (“solar”) panels that convertlight energy to electricity with a conversion rate of 15.0%. Telemetry from the satelliteindicates that the panels are supplying a peak power output of 3.60 kW, and the specificationsof the panels state that they have 16 m^2 of light-collecting surface area. The radius of theSun and its distance from Earth have long been known to be 6.96 ×10^8 m and 1.50 ×10^11m, respectively. Assume the Sun radiates approximately as a blackbody and calculate thesurface temperature of the Sun.arrow_forwardWhat is the frequency of a light ray of wavelength 6.50 x 10^9m?arrow_forwardPlease asaparrow_forward
- A SOurce emits 12:0 J of light of wavelength 620 nm and 8-0 J of light of wavelength 580 nm per second. The relative luminosity at 620 nm is 35% and that at 580 nm is 80%. Find (a) the total radiant flux, (b) the total luminous flux and (c) the luminous efficiency.arrow_forward1) Calculate the 1D hologram for an intensity pattern of a point light source located at (x,y) = (-0.5,0.001) recorded by a plane wave heading in the x direction starting at x=-0.5. Use 632 nm radiation for each source and set the magnitude of the fields to 1 for the plane wave and 0.5 for the point light source.arrow_forwardSpeed of light in vaccum = 3 x 10° m/s 1eV 1.6 x 1019 J 1. Calculate the energy of a photon of blue light, 1 = 450 nm.arrow_forward
- Determine which frequency of light will be reflected and what color will be seen by the observer. sun The roof reflects light ray from the sun The roof absorbs OYGBIV. sun The roof reflects light ray from the sun The roof absorbs ROBIV. 1. 2.arrow_forward-55 O SSM In Fig. 33-55, a 2.00- m-long vertical pole extends from the bottom of a swimming pool to a point 50.0 cm above the water. Sunlight is incident at angle e= Blocked sunrays 55.0°. What is the length of the shadow of the pole on the level bot- tom of the pool?arrow_forward10:54 AM Thu Apr 23 * 79% A cdn.inst-fs-iad-prod.inscloudgate.net (5) If unpolarized light is incident from the left on three polarizes as shown in figure, in which case will some light get through? (a) Case 1 only. (b) Case 2 only. (c) Case 3 only (d) Case 1 and 3 3 (e) All three casesarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Glencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-HillPhysics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage LearningAstronomyPhysicsISBN:9781938168284Author:Andrew Fraknoi; David Morrison; Sidney C. WolffPublisher:OpenStax
- University Physics Volume 3PhysicsISBN:9781938168185Author:William Moebs, Jeff SannyPublisher:OpenStaxPrinciples of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Astronomy
Physics
ISBN:9781938168284
Author:Andrew Fraknoi; David Morrison; Sidney C. Wolff
Publisher:OpenStax
University Physics Volume 3
Physics
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:OpenStax
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning