A laser pointer with a power output of 5.00 mW emits red light 1l = 650 nm2. (a) What is the magnitude of the momentum of each photon? (b) How many photons does the laser pointer emit each second?

Q: A radiation detector exposed to light from a source gives an output of 0.71 J cm¯² min¯¹ as…

A: Write the expression for the power density of photon. Here, H represents the power density, φ…

Q: A 0.840-nm photon collides with a stationary electron. After the collision, the electron moves…

A: we know that,h=6.63×10-34λ=0.840×10-9 mm=9.11×10-31 kg

Q: A light beam of wavelength 431 nm and intensity 159 W/m^2 shines on a target of area 2.86 m^2 for a…

A: Given data:  Wavelength (λ) = 431 nm Intensity (I) = 159 W/m2 Area (A) = 2.86 m2 Time (t) = 2.12 s…

Q: A 0.844-nm photon collides with a stationary electron. After the collision, the electron moves…

A:

Q: A light beam of wavelength 679 nm and intensity 211 W/m^2 shines on a target of area 2.71 m^2 for a…

A: wavelength = intensity = area = A = 2.71 m2time = t = 2.23 s

Q: A 0.836-nm photon collides with a stationary electron. After the collision, the electron moves…

A:

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

A: Power of x rays = 1.21 W Average energy per photon = 80 keV

Q: J). is incident upon a sheet of metal of unknown type. Electrons are ejected from this metal, with a…

A: Given data: The wavelength of the light is λ=20 nm The maximum kinetic energy is KE=10eV We know…

Q: A 592 nm laser emits 4.94 x 1019 photons per second, how much total energy (in J) would this…

A: Given Data Wavelength of the photons is λ=592nm=592×10-9 m Number of photons emitted per unit second…

Q: A 0.393-nm photon collides with a stationary electron. After the collision, the electron moves…

A:

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

A:

Q: A watt is a unit of energy per unit time, and one watt (W) is equal to one joule per second (J⋅s−1).…

A: Given data: The produced energy per second is E=4100×40 W=1.6 J Wavelength of the light is…

Q: (a) Find the momentum (in kg · m/s) of a 44.5 kev x-ray photon. kg m/s (b) Find the equivalent…

A: Given data, Energy of photon = 44.5 KeV Rest mass of photon = 0 Rest mass of neutron = 1.6x10-27 kg

Q: Q. 25 : The energy in eV of a photon, if the frequency of the radiation is 7 × 1014 Hz is

A: Solution:-Given thatfrequency of radiation (f)=7×1014 Hz

Q: A 100W sodium lamp radiates energy uniformly in all directions. The lamp is located at the centre of…

A: Part (a) : The wavelength of sodium light is 589 nm.  The Energy of a photon is,

Q: In a Compton scattering experiment, the incident X-rays have a wavelength of 0.2690 nm, and the…

A: To determine the scattering angle θ in a Compton scattering experiment, we use the Compton…

Q: A light beam of wavelength 476 nm and intensity 119 W/m^2 shines on a target of area 2.11 m^2 for a…

A: Given value--- wavelength = 476 nm. intensity = 119 W/m2.  Area = 2.11 m2.  time = 2.75 s. We have…

Q: inetic energy of 2.70 eV. (a) What is the work function of the metal? 5 ev (b) If the photon energy…

A:

Q: Q. 31: If the energy of photon corresponding to a wavelength of 6000 A is 3.32 x 10-¹J the photon…

A: We are aware that a photon with a wavelength of 6000 Ao has an energy of 3.32×10-19 J.The photon…

Q: In a Compton scattering experiment, the incident X-rays have a wavelength of 0.2681 nm, and the…

A: Required: The angle of scattering

Q: photons of energy 4.21 eV are incident on sodium, what is the maximum kinetic energy of the ejected…

A: 1. In a photoelectric effect, the maximum kinetic energy of an ejected electron from the surface of…

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

A: Given- Flux of X-rays having power, P = 1 W Average energy per photon, E = 75 keV Time, t = 1 sec

Q: Problem 4: A photon originally traveling along the x axis, with wavelength λ = 0.100 nm is incident…

A:

Q: Falls resulting in hip fractures are a major cause of injury and even death to the elderly.…

A: (a) To determine: The constant acceleration does hip undergo to reduce the speed from 2 m/s to 1.3…

Q: momentum of 4.8 × 10-29 kg⋅m/s. Part (a) What is the wavelength of such a ph

A: We know that the formula of the photon momentum is given as  p = hλ------ eq1  where h is the Planck…

Q: A 610 keV gamma ray is incident on an electron at rest. If the scattered photon has a scattering…

A: Step 1:Step 2:Step 3:Step 4:

Q: Introduction to Optics; A certain sensitive radar receiver detects an electromagnetic signal of…

A:

Q: A photovoltaic cell converts light into electrical energy. Suppose a certain photovoltaic cell is…

A:

Q: A 0.703-nm photon collides with a stationary electron. After the collision, the electron moves…

A:

Q: A 519 nm laser emits 2.41 x 1019 photons per second, how much total energy (in J) would this…

A:

Q: Gamma rays are photons with very high energy. How many visible-light photons with a wavelength of…

A: