An ultraviolet lamp emits light of wavelength 354 nm at the rate of 384 W. An infrared lamp emits light of wavelength 726 nm, also at the rate of 384 W. (a) Which lamp emits photons at the greater rate? (b) What is that greater rate? (a) (b) Number i Units

An ultraviolet lamp emits light of wavelength 354 nm at the rate of 384 W. An infrared lamp emits light of wavelength 726 nm, also at the rate of 384 W. (a) Which lamp emits photons at the greater rate? (b) What is that greater rate? (a) (b) Number i Units

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter6: Photons And Matter Waves

Section: Chapter Questions

Problem 117P: An AM radio transmitter radiates 500 kW at a frequency of 760 kHz. How many photons per second does...

See similar textbooks

Related questions

Q: Under ideal conditions, a visual sensation can occur in the human visual system if light of…

Q: If a particle weighs 7.61 kg and has a de Broglie wavelength of 2.06 x 10-39 m , what is its current…

Q: An argon laser emits a beam of light of wavelength 4.88 × 10-7 m, the power in the beam being 100mW.…

A: When an electromagnetic wave or light is incident on the metal surface, electrons contained in an…

Q: X-rays of wavelength A = 84 pm are scattered from a carbon target, and the scattered rays are…

A: Given that: Wavelength, λ=84 pm=84×10-12mAngle of scattering, ϕ=158°

Q: A certain helium-neon laser pointer, emitting light with a wavelength of 632 nm, has a beam with an…

Q: The wavelengths of light emitted by a firefly span the visible spectrum but have maximum intensity…

A: Given: Power = 1.2 m W Lasting time = 100 m s

Q: A pulsed ruby laser emits light at 694.3 nm. For a 14.0 - ps pulse containing 3.00 J of energy, find…

Q: If a photoemissive surface has a threshold frequency of 4.6 x 104 Hz, calculate the energy of the…

A: Given: The threshold frequency of the photon is 4.6x1014 Hz. The Plank's constant is 6.6x10-34 J.s.

Q: A sheet of metal is illuminated by photons with a wavelength of 325 nm and the emitted electrons are…

Q: If 5 percent of the energy supplied to an incandescent light buld is radiated as visible light, how…

A: Given : wavelength of visible light = 560 nm

Q: A Ti:Sapphire laser has a wavelength of 1200 nm and a pulse of duration 12 fs. If the total energy…

A: (1) Solution: Given: A Ti:Sapphire laser has a wavelength of 1200 nm and a pulse of duration 12 fs.…

Q: By what rate a photon emitted from a sodium vapor lamp? Assume that the lamp's light is…

A: lambda=wavelength=589*10^-9 m E=hc/(lambda) h=6.625*10^-34 Js c=3*10^8 m/s on solving for E we…

Q: Please help

A: (a)The energy of blue photons is,

Q: The power of a red laser (λ = 630 nm) is 2.75 watts (abbreviated W, where 1 W = 1 J/s). How many…

Q: A 480 nm laser beam is incident on two different metallic surfaces, one made of sodium (Na), the…

Q: In the Compton Effect, an X-ray photon scatters from a free electron. Find the change in the…

Q: What is the minimum wavelength in m of the x-ray photons from a 140 kV x-ray tube? (h =…

A: Given: The accelerating potential is V = 140 kV The Planck constant h = 6.63x10-34J·s The value of 1…

Q: Consider a photon with wavelength 0.011 nm. l = 0.011 nm What is the momentum of the photon in…

Q: A certain heat lamp emits 230 W of mostly IR radiation averaging 1,420 nm in wavelength. (a) What is…

Q: A photon has a collision with a stationary electron (h/mc = 2.43 × 10–12 m) and loses 5.0% of its…

Q: The following data gives stopping potential Vo versus wavelength for photoelectrons produced from a…

Q: An atom (not a hydrogen atom) absorbs a photon whose associated wavelength is 375 nm and then…

A: The expression to determine the net energy is,

Q: is the maximum velocity (in m/s) of electrons ejected from a material by 86 nm photons if the work…

Q: • Which among the following is a key process adopted for the laser beam formation as it undergoes…

A: As per the guide lines first 3 is solved, kindly post remaining as a new question

Q: A helium‑neon laser produces light of wavelength 632.8 nm. The laser beam carries a power of 0.75 mW…

Q: Assuming that 10.0% of a 100-W light bulb’s energy output is in the visible range (typical for…

A: Given: power of bulb, P = 100 W wavelength = 580 nm = 580 x 10-9 m time, t = 1 second efficiency…

Q: A photo is scattered off of an electron and its wavelength is shifted by 2.0 x 10-4 nm. What angle…

Q: he work function for gold is 5.10 eV. (d) If light of energy 7.42 eV is incident on gold, what is…

A: given that work function ϕ = 5.10 e v light energy incident = 7.42 volt we know that h f = k . E…

Q: A 1.00 mW helium-neon laser emits a visible laser beam with a wavelength of 633 nm. How many photons…

Q: The Sun emits light at many wavelengths across the Visible and Non-Visible Spectra, but the maximum…

A: The formula for the kinetic energy of the electron is given as W=hcλ-ϕ Given:ϕ=2.28 eVλ=499.7×10-9 m

Q: A beam of monochromatic (single energy) photons are incident on a slab of aluminum with thickness of…

A: Solution: Calculate the intensity of the beam after the first slab using the following relation.…

Q: In a Compton scattering experiment, an x-ray photon scatters through an angle of 17.0° from a free…

Q: A strip of metal foil with a mass of 5.00 × 10-7 kg is suspended in a vacuum and exposed to a pulse…

Q: For a certain metal, the threshold wavelength for the photoelectric effect is 664.0 nm. What is the…

Q: nd Planck’s

Q: How many x-ray photons per second are created by an xray tube that produces a flux of x rays having…

Q: An FM radio station broadcasts at a frequency of 98.1 MHz. The power radiated from the antenna is…

A: Given data: Frequency f= 98.1MHz. Power P=5.0×104W

Q: A 0.7 MeV photon scatters from an electron initially at rest. If the photon scatters at an angle of…

Question

Please type instead of hand writting

An ultraviolet lamp emits light of wavelength 354 nm at the rate of 384 W. An infrared lamp emits light of wavelength 726 nm, also
at the rate of 384 W. (a) Which lamp emits photons at the greater rate? (b) What is that greater rate?
(a)
(b) Number
i
Units
Touth
>
>

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

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

An AM radio transmitter radiates 500 kW at a frequency of 760 kHz. How many photons per second does the emitter emit?
Which has a greater momentum: an UV photon or an IR photon?
Under ideal conditions, a visual sensation can occur in the human visual system if light of wavelength 550 nm is absorbed by the eye’s retina at a rate as low as 100 photons per second.What is the corresponding rate at which energy is absorbed by the retina?
In a Compton-scattering experiment, the 0.124 nm x-ray photons is used. Calculatethe angle of the scattered wavelength when the x-rays is (a) 1.0% longer than that ofthe incident x-rays? (b) 0.050% longer than that of the incident x rays?
An inelastic collision with an electron and a photon which experienced a change in wavelength equal to 4.53E-13 [m]. At what angle did the photon scatter after the collision?
Find the maximum energy in eV of an x-ray photon produced by electrons accelerated through a potential difference of 50.0 kV in a CRT like the one shown.
A photon with wavelength l = 0.1050 nm is incidenton an electron that is initially at rest. If the photon scatters at an angleof 70.0 from its original direction, what are the magnitude and directionof the linear momentum of the electron just after it collides withthe photon?
If a photon of wavelength 0.0665 nm hits a free electron and is scattered at an angle of 35◦ from its original direction, findat. the change in wavelength of this photon,b. the wavelength of the scattered photon,vs. the change in energy of the photon (is it a loss or a gain?), and d. the energy gained by the electron.
The light intensity incident on a metallic surface produces photoeletrons with a maximumkinetic energy of 2.03 eV.If the light intensity is doubled, what isthe maximum kinetic energy of the photoeletrons?Answer in units of eV.
Monochromatic radiation at 400 nm, produced by a laser, is completely absorbed by areaction mixture with a volume of 0.5 dm3. If the intensity of the radiation is 50 W,what amount of photons is absorbed in 10 minutes? What is the value of Ia? Show reasoning.
In a particular photoelectric experiment, a stoppingpotential of 2.10 V is measured when ultraviolet light ofwavelength 270 nm is incident on the metal. Using thesame setup, what will the new stopping potential be if bluelight of wavelength 440 nm is used, instead?
Calculate the ratio of the kinetic energy of an electronto that of a proton if their wavelengths are equal. Assumethat the speeds are nonrelativistic.