Consider a beam of a CW laser at 800 nm with a power of 1 Watt. Calculate the number of photons arriving per second in 1018 Photons/sec

Q: What is the maximum kinetic energy (in eV) of the photoelectrons when light of wavelength 260.0 nm…

A:

Q: An X-ray photon is produced by braking, losing kinetic energy when braking. Find the initial kinetic…

A: Required : Minimum wavelength of the x-ray.

Q: Assume we have a material with a work function of 4.94 eV. What is the maximum speed, in meters per…

A: Given Work function of the material is ϕ=4.94 eV=4.94×1.6×10-16 J=7.90×10-19 J Wavelength of the…

Q: Most microwave ovens emit electro-magnetic radiation with a wavelength () of 12.24 cm. This EM-…

A: Given: case odf microoven heating water Wavelength  = 12.24 cm Rate of photon emission r =…

Q: A black body at 7 500 K consists of an opening of diameter 0.048 0 mm, looking into an oven. Find…

A:

Q: What must be the velocity, in meters per second, of a beam of electrons if they are to display a de…

A: Wavelength, λ = 29.1 μmVelocity, v = ?

Q: A boy walks in the evening in the park with a flashlight with a power of 25 W . The flashlight bulb…

A: Power of flashlight (P) = 25 W wavelength of photons = 490 nm

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

A:

Q: light beam of wavelength 460 nm and intensity 180 W/m^2 shines on a target of area 1.69 m^2 for a…

A: We have givenThe wavelength is 460 nmintensity is 180 W/m2Area is1.69 m2duration is 4.25 sWe have to…

Q: wavelength shift for photons detected at angle (relative to the incident beam) of exactly 30.0…

A: Given:- X-rays of wavelength λ = 0.140 nm are scattered from carbon.  Find:-  a) What is the Compton…

Q: When a metal was exposed to photons at a frequency of 1.25 × 10¹5 s¯¹, electrons were emitted with a…

A: Given Data: The frequency of each photon is .The maximum kinetic energy of the emitted electron is…

Q: What is the frequency (ν in hertz) of the photons emitted by a HeNe laser with a wavelength (λ) of…

A: Wavelength of the photons,  Speed of the photons,    From the basic equation of wave mechanics, we…

Q: One molecule of ATP provides 0.3 eV when used by the cell. Photosynthesis in a typical plant uses 8…

A: Given Energy provided by an ATP molecule is EATP = 0.3 eV The wavelength of a photon is λ = 525 nm…

Q: Consider a beam of a CW laser at 800 nm with a power of 1 Watt. Calculate the energy of the photons…

A:

Q: The work function of a surface is 5.0×10^−19 J. If light of wavelength of 300 nm is incident on the…

A: Given: The work function of the metal is 5x10-19 J. The wavelength of the light is 300 nm.

Q: What is the frequency of a 9 x 1025 joule photon?

A:

Q: Calculate the frequency of a 4 MeV photon.

A:

Q: A certain Argon laser produces about 5 mV of light at a wavelength of 514 nm. How many photons per…

A: Power of the laser = 5mW= Wavelength of the light = 514 nM

Q: Photoelectrons from a metal with a work function of 2.74 eV are ejected by photons with a wavelength…

A: work function (w) = 2.74 eV wavelength of incident photons = 415 nm

Q: A 592 nm laser emits 4.94 x 1019 second, how much total energy (in J) would this transfer if it was…

A:

Q: Calculate the energy carried by a 482 nm photon.

A: Photons are packets of energy. They are massless particles that can behave both as a wave and a…

Q: The current of a beam of electrons, each with a speed of 1.200*10^3 m/s, is 9.000 mA. At one point…

A: Given,

Q: A laser emits light at wavelength A = 598 nm in a beam of diameter 3.7 mm and at an energy-emission…

A: Given  Wavelength λ = 598 nm = 5.98×10-7 m Diameter d = 3.7mm = 3.7×10-3 m Energy-emission rate P =…

Q: A diagnostic x-ray machine emits photons with maximum frequency of 2e19 Hz. The maximum photon…

A: Given: Frequency,f=2×1019HzPlanck's constant,h=6.626×10-34Js The energy carried by a single photon…

Q: Assuming that the equation Ephoton, final = Ephoton, initial/1 + Ephoton, initial/mec2 can be…

A:

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

A:

Q: Suppose a microwave oven has a power output of 1.25 kW at a frequency of 2560 MHz. How many photons…

A:

Q: Assume we have a material with a work function of 4.87 eV. What is the maximum speed, in meteres per…

A: