Physics, Books a la Carte Edition (5th Edition)
5th Edition
ISBN: 9780134020853
Author: James S. Walker
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 30, Problem 23PCE
(a)
To determine
The number photons are needed to provide a total energy of
2.5 J UV
(b)
To determine
The number photons are needed to provide a total energy of
2.5 J 750 -nm
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
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
A 519 nm laser emits 2.41 x 1019 photons per second, how much total energy (in J) would this transfer if it was shined directly on an object for 3.24 s?
A helium-neon laser produces a beam of diameter 1.75 mm, delivering 1.05 x 1018 photons/s. Each photon has a wavelength of 633 nm.
(a) Calculate the amplitude of the electric field inside the beam.
14
How much total energy is delivered by the beam in one second? kV/m
(b) Calculate the amplitude of the magnetic field inside the beam.
PT
(c) If the beam shines perpendicularly onto a perfectly reflecting surface, what force does it exert on the surface?
nN
(d) If the beam is absorbed by a block of ice at 0°C for 1.20 h, what mass of ice is melted?
Chapter 30 Solutions
Physics, Books a la Carte Edition (5th Edition)
Ch. 30.1 - Prob. 1EYUCh. 30.2 - Prob. 2EYUCh. 30.3 - Prob. 3EYUCh. 30.4 - Prob. 4EYUCh. 30.5 - Prob. 5EYUCh. 30.6 - Prob. 6EYUCh. 30.7 - Prob. 7EYUCh. 30 - Prob. 1CQCh. 30 - Prob. 2CQCh. 30 - Prob. 3CQ
Ch. 30 - Prob. 4CQCh. 30 - Prob. 5CQCh. 30 - Prob. 6CQCh. 30 - Prob. 7CQCh. 30 - Prob. 8CQCh. 30 - Prob. 9CQCh. 30 - Prob. 10CQCh. 30 - Prob. 1PCECh. 30 - Prob. 2PCECh. 30 - Prob. 3PCECh. 30 - The Sun has a surface temperature of about 5800 K....Ch. 30 - Prob. 5PCECh. 30 - Prob. 6PCECh. 30 - (a) By what factor does the peak frequency change...Ch. 30 - Prob. 8PCECh. 30 - Prob. 9PCECh. 30 - Prob. 10PCECh. 30 - Prob. 11PCECh. 30 - Prob. 12PCECh. 30 - Prob. 13PCECh. 30 - Prob. 14PCECh. 30 - Prob. 15PCECh. 30 - Prob. 16PCECh. 30 - Prob. 17PCECh. 30 - Prob. 18PCECh. 30 - Prob. 19PCECh. 30 - Prob. 20PCECh. 30 - Prob. 21PCECh. 30 - Prob. 22PCECh. 30 - Prob. 23PCECh. 30 - Prob. 24PCECh. 30 - Prob. 25PCECh. 30 - Prob. 26PCECh. 30 - Prob. 27PCECh. 30 - Prob. 28PCECh. 30 - Prob. 29PCECh. 30 - Prob. 30PCECh. 30 - Prob. 31PCECh. 30 - Prob. 32PCECh. 30 - Prob. 33PCECh. 30 - Prob. 34PCECh. 30 - Prob. 35PCECh. 30 - BIO Owl Vision Owls have large, sensitive eyes for...Ch. 30 - Prob. 37PCECh. 30 - Prob. 38PCECh. 30 - Prob. 39PCECh. 30 - Prob. 40PCECh. 30 - Prob. 41PCECh. 30 - Prob. 42PCECh. 30 - Prob. 43PCECh. 30 - Prob. 44PCECh. 30 - Prob. 45PCECh. 30 - Prob. 46PCECh. 30 - Prob. 47PCECh. 30 - Prob. 48PCECh. 30 - Prob. 49PCECh. 30 - Prob. 50PCECh. 30 - Prob. 51PCECh. 30 - Prob. 52PCECh. 30 - Prob. 53PCECh. 30 - Prob. 54PCECh. 30 - Prob. 55PCECh. 30 - Prob. 56PCECh. 30 - Prob. 57PCECh. 30 - Prob. 58PCECh. 30 - Prob. 59PCECh. 30 - Prob. 60PCECh. 30 - Prob. 61PCECh. 30 - Prob. 62PCECh. 30 - Prob. 63PCECh. 30 - Prob. 64PCECh. 30 - Prob. 65PCECh. 30 - Prob. 66PCECh. 30 - Prob. 67PCECh. 30 - Prob. 68PCECh. 30 - Prob. 69PCECh. 30 - Prob. 70PCECh. 30 - Prob. 71PCECh. 30 - Prob. 72PCECh. 30 - Prob. 73PCECh. 30 - Prob. 74PCECh. 30 - Prob. 75PCECh. 30 - Prob. 76PCECh. 30 - Prob. 77PCECh. 30 - Prob. 78PCECh. 30 - Prob. 79PCECh. 30 - Prob. 80GPCh. 30 - Prob. 81GPCh. 30 - Prob. 82GPCh. 30 - Prob. 83GPCh. 30 - Prob. 84GPCh. 30 - Prob. 85GPCh. 30 - Prob. 86GPCh. 30 - Prob. 87GPCh. 30 - Prob. 88GPCh. 30 - Prob. 89GPCh. 30 - Prob. 90GPCh. 30 - Prob. 91GPCh. 30 - Prob. 92GPCh. 30 - Prob. 93GPCh. 30 - Prob. 94GPCh. 30 - Prob. 95GPCh. 30 - Prob. 96GPCh. 30 - Prob. 97PPCh. 30 - Prob. 98PPCh. 30 - Prob. 99PPCh. 30 - Prob. 100PPCh. 30 - Prob. 101PPCh. 30 - Prob. 102PP
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
- A certain helium-neon laser pointer, emitting light with a wavelength of 632 nm, has a beam with an intensity of 715 W/m2 and a diameter of 2.70 mm. How many photons are emitted by the laser pointer every second? Thank you for the help!arrow_forwardIntroduction to Optics; A certain sensitive radar receiver detects an electromagnetic signal of frequency 100 MHz and power (energy/time) 6.63 x 10-16 J/s How many visible (λ=555 nm) photons/s would correspond to a detected power of 6.63 x 10-16 J/s? What is the energy (in J and in eV) of an X-ray of wavelength 0.1 nm?arrow_forward(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 nielarrow_forward
- A 2.0-kg object falls from a height of 5.0 m to the ground. If all the gravitational potential energy of this mass could be converted to visible light of wavelength 5.0 × 10−7 m, how many photons would be produced?arrow_forwardA helium-neon laser produces a beam of diameter 1.75 mm, delivering 3.15 x 1018 photons/s. Each photon has a wavelength of 633 nm. (a) Calculate the amplitude of the electric field inside the beam. kv/m (b) Calculate the amplitude of the magnetic field inside the beam. μT (c) If the beam shines perpendicularly onto a perfectly reflecting surface, what force does it exert on the surface? nN (d) If the beam is absorbed by a block of ice at 0°C for 2.10 h, what mass of ice is melted? garrow_forward(a) What is the energy in joules of an x-ray photon with wavelength 4.68 x 10-10 m? 4.68e-10 X Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. J (b) Convert the energy to electron volts. 1.33e-16 X Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. kev (c) If more penetrating x-rays are desired, should the wavelength be increased or decreased? increased O decreased (d) Should the frequency be increased or decreased? increased decreasedarrow_forward
- Metro by T-Mobile Light that has a frequency of about 5.20 x 1014 Hz (a wavelength of about 578 nm energy in joules of the photons associated with this light? Need Help? Read It [-/2 Points] Need Help? Photons of a certain ultraviolet light have an energy of 6.34 × 10-1⁹ J. (a) What is the frequency of this UV light? Hz [-/2 Points] (b) Use λ = c/f to calculate its wavelength in nanometers (nm). nm DETAILS Need Help? Submit Answer MY NOTES [1/1 Points] Read It webassign.net DETAILS Photons of a certain infrared light have an energy of 1.78 x 10-1⁹ J. (a) What is the frequency of this IR light? Hz SHIPPS14 9.E.003. MY NOTES (b) Use λ = c/f to calculate its wavelength in nanometers. nm Read It DETAILS SHIPPS14 9.E.004. MY NOTES PREVIOUS ANSWERS ASK YOUR TEACHER ASK YO PRACTICE ANOTHER ASK YO SHIPPS14 9.E.005.arrow_forwardA 2.0 - kg object falls from a height of 5.0 m to the ground. If the change in the object’s kinetic energy could be converted to visible light of wavelength 5.0 x 10-7 m, how many photons would be produced?arrow_forwardA helium–neon laser produces a beam of diameter 1.75 mm, delivering 2.00 × 1018 photons/s. Each photon has a wavelength of 633 nm. Calculate the amplitudes of (a) the electric fields and (b) the magnetic fields inside the beam. (c) If the beam shines perpendicularly onto a perfectly reflecting surface, what force does it exert on the surface? (d) If the beam is absorbed by a block of ice at 0°C for 1.50 h, what mass of ice is melted?arrow_forward
- Assuming 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_forwardHow many x-ray photons per second are created by an X-ray tube that produces a flux of x rays having a power of 1.00 W? Assume the average energy per photon is 75.0 keV.arrow_forwardA laser pointer with a power output of 5.00 mW emits red light (λ = 650 nm). (a) What is the magnitude of the momentum of each photon? (b) How many photons does the laser pointer emit each second?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
University Physics Volume 3PhysicsISBN:9781938168185Author:William Moebs, Jeff SannyPublisher:OpenStax
University Physics Volume 3
Physics
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:OpenStax