![Essential University Physics: Volume 2 (3rd Edition)](https://www.bartleby.com/isbn_cover_images/9780321976420/9780321976420_largeCoverImage.gif)
Essential University Physics: Volume 2 (3rd Edition)
3rd Edition
ISBN: 9780321976420
Author: Richard Wolfson
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 34, Problem 43P
(a)
To determine
The rate of photon production by radio antenna broad casting.
(b)
To determine
The rate of photon production by laser.
(c)
To determine
The rate of photon production by X-ray machine.
Expert Solution & Answer
![Check Mark](/static/check-mark.png)
Want to see the full answer?
Check out a sample textbook solution![Blurred answer](/static/blurred-answer.jpg)
Students have asked these similar questions
(a) If the power output of a 670 kHz radio station is 49.0 kW, how many photons per second are produced?
1.1679e32 X
How does power relate to energy? Review the relationship between energy and frequency of a photon. photons/s
(b) If the radio waves are broadcast uniformly in all directions, find the number of photons per second per square meter at a
distance of 125 km. Assume no reflection from the ground or absorption by the air.
2.138e21
If there is no reflection by the ground, what fraction of the radiated power reaches the receiver? What portion of the
spherical surface do you need to consider here? photons/(s · m2)
Additienel Mete niel
A laser emits 6.85 x 1018 photons per second in a thin beam with circular cross section having diameter 1.2 mm. The wavelength of the photons is 514.5 nm.
What is the laser output power? (enter your answer with 3 significant figures)
A typical red laser pointer has a power output of 1.50 mW and a wavelength of 680 nm.
Find how many photons per second the laser emits in units of 10¹5 photons/sec.
(A) 2.31
(B) 5.13
(C) 4.97
(D) 7.49
(E) 3.78
Chapter 34 Solutions
Essential University Physics: Volume 2 (3rd Edition)
Ch. 34.2 - Prob. 34.1GICh. 34.3 - If you replot Fig. 34.7 for a material with a...Ch. 34.3 - Prob. 34.3GICh. 34.4 - Prob. 34.4GICh. 34.5 - Prob. 34.5GICh. 34.6 - Prob. 34.6GICh. 34 - Prob. 1FTDCh. 34 - Prob. 2FTDCh. 34 - Prob. 3FTDCh. 34 - Prob. 4FTD
Ch. 34 - Prob. 5FTDCh. 34 - Prob. 6FTDCh. 34 - Prob. 7FTDCh. 34 - Prob. 8FTDCh. 34 - Prob. 9FTDCh. 34 - Prob. 10FTDCh. 34 - Prob. 11FTDCh. 34 - Prob. 12FTDCh. 34 - Prob. 13FTDCh. 34 - Prob. 14FTDCh. 34 - Prob. 15ECh. 34 - The surface temperature of the star Rigel is 104K....Ch. 34 - Prob. 17ECh. 34 - Prob. 18ECh. 34 - Prob. 19ECh. 34 - Prob. 20ECh. 34 - Prob. 21ECh. 34 - Prob. 22ECh. 34 - Prob. 23ECh. 34 - Prob. 24ECh. 34 - Prob. 25ECh. 34 - Prob. 26ECh. 34 - Prob. 27ECh. 34 - Prob. 28ECh. 34 - Prob. 29ECh. 34 - Prob. 30ECh. 34 - Prob. 31ECh. 34 - Prob. 32ECh. 34 - Prob. 33ECh. 34 - Prob. 34ECh. 34 - Prob. 35ECh. 34 - Prob. 36ECh. 34 - Prob. 37ECh. 34 - Prob. 38PCh. 34 - Prob. 39PCh. 34 - Prob. 40PCh. 34 - Prob. 41PCh. 34 - Prob. 42PCh. 34 - Prob. 43PCh. 34 - Prob. 44PCh. 34 - Prob. 45PCh. 34 - Prob. 46PCh. 34 - Prob. 47PCh. 34 - Prob. 48PCh. 34 - Prob. 49PCh. 34 - Prob. 50PCh. 34 - Prob. 51PCh. 34 - Prob. 52PCh. 34 - Prob. 53PCh. 34 - Prob. 54PCh. 34 - Prob. 55PCh. 34 - Prob. 56PCh. 34 - Prob. 57PCh. 34 - Prob. 58PCh. 34 - Prob. 59PCh. 34 - Prob. 60PCh. 34 - Prob. 61PCh. 34 - Prob. 62PCh. 34 - Prob. 63PCh. 34 - Prob. 64PCh. 34 - Prob. 65PCh. 34 - Prob. 66PCh. 34 - Prob. 67PCh. 34 - Prob. 68PCh. 34 - Prob. 69PCh. 34 - Prob. 70PCh. 34 - Prob. 71PCh. 34 - Prob. 72PCh. 34 - Prob. 73PCh. 34 - Prob. 74PCh. 34 - Prob. 75PCh. 34 - Prob. 76PCh. 34 - Prob. 77PCh. 34 - Prob. 78PCh. 34 - Prob. 79PCh. 34 - Prob. 80PCh. 34 - Prob. 81PCh. 34 - Prob. 82PCh. 34 - Prob. 83PCh. 34 - Prob. 84PPCh. 34 - Prob. 85PPCh. 34 - Prob. 86PPCh. 34 - Prob. 87PP
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
- What is the output power, in watts, of a light source that emits light with a wavelength of 596 nm, and produces 2.95*10^21 photons per second?arrow_forwardThe average threshold of dark-adapted (scotopic) vision is 4.00 x 10-11 W/m? at a central wavelength of 500 nm. If light having this intensity and wavelength enters the eye and the pupil is open to its maximum diameter of 8.50 mm, how many photons per second enter the eye?arrow_forwardCalculate the frequency in hertz of*(a) an X-ray beam with a wavelength of 2.65 Å.(b) an emission line for copper at 211.0 nm.*(c) the line at 694.3 nm produced by a ruby laser.(d) the output of a CO2 laser at 10.6 µm.*(e) an infrared absorption peak at 19.6 µm.(f) a microwave beam at 1.86 cm.arrow_forward
- Calculate the momentum in N·s of a photon with a wavelength 638 nm.arrow_forwardA common 670-nm laser pointer produces a 1.0 mW power. Calculate the number of photons it produces per millisecond.arrow_forwardSuppose a 680-nm beam with a power of 0.2 mW and a 4.5-cm diameter strikes a detector with a 0.2-cm diameter. How many photons strike the detector per second?arrow_forward
- The threshold of dark - adapted (scotopic) vision is 4.0 x 10-11 W/m2 at a central wavelength of 5.00 x 102 nm. If light with this intensity and wavelength enters the eye when the pupil is open to its maximum diameter of 8.5 mm, how many photons per second enter the eye?arrow_forwardThe average threshold of dark-adapted (scotopic) vision is 4.00 10-11 W/m2 at a central wavelength of 500 nm. If light with this intensity and wavelength enters the eye and the pupil is open to its maximum diameter of 9.00 mm, how many photons per second enter the eye? photons/sarrow_forwardBy what rate a photon emitted from a sodium vapor lamp? Assume that the lamp's light is monochromatic and of wavelength 589 nm? Answer : 1.5*10^20 s^-1arrow_forward
- 3.24 A 3.0-V lashlight bulb draws (0,25 A, converting about 1.0% of the dissipated power into light (A 550 nm). If the beam has a cross-sectional area of 10 cm and is approximately cylindrical. (a) How many photons are emitted per second? (b) How many photons occupy each meter of the beam? (c) What is the flux density of the beam as it leaves the flashlight?arrow_forwardWhat is the wavelength in nm of a photon that has a momentum of 4.5*10^-27 kg.m/sarrow_forwardAssuming that 10.0% of a 100-W light bulb’s energy output is in the visible range (typical for incandescent bulbs) with an average wavelength of 580 nm, calculate the number of visible photons emitted per second.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningCollege PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningUniversity Physics Volume 3PhysicsISBN:9781938168185Author:William Moebs, Jeff SannyPublisher:OpenStax
![Text book image](https://www.bartleby.com/isbn_cover_images/9781133104261/9781133104261_smallCoverImage.gif)
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
![Text book image](https://www.bartleby.com/isbn_cover_images/9781305952300/9781305952300_smallCoverImage.gif)
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
![Text book image](https://www.bartleby.com/isbn_cover_images/9781938168185/9781938168185_smallCoverImage.gif)
University Physics Volume 3
Physics
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:OpenStax