Purchase Solution

Photons encountered in 1 minute from a 75000-watt beam of light?

Not what you're looking for?

Ask Custom Question

How many photons would be encountered in 1 minute from a 75000-watt beam of .0029 nm light?

Purchase this Solution
Solution Summary

This posting contains the solution to the given problems.

Solution Preview

We first compute for the energy of the beam at 1 minute:
E = P*t
E = 75000W (1min)(60s/1min) = ...

Purchase this Solution
Free BrainMass Quizzes
Basic Physics

This quiz will test your knowledge about basic Physics.

The Moon

Test your knowledge of moon phases and movement.

Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.

Introduction to Nanotechnology/Nanomaterials

This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.

Intro to the Physics Waves

Some short-answer questions involving the basic vocabulary of string, sound, and water waves.

View More Free Quizzes
Related BrainMass Solutions

  • Photoelectric Effect: Energy of photoelectrons emitted.

    Assuming that the planck constant is 4.14x10^-15 eV Hz-1. What would be the energy of the photons comprising the beam of light from the laser? What colour would the laser be?

  • Noise reduction using interferometry

    The factor of 1/2 comes from the two beam-splitters, each one yielding a factor of 1/sqrt(2).

  • Compton effect: Wavelength and energy of scattered photons

    A beam of 0.700 nm photons scatters at 160.0 degrees from free electrons. What is the 1.) wavelength of the scattered photons? 2.) energy of each scattered photon?

  • Number of Photos, Wavelength, Maximum Energy and Velocity

    If it emits visible light at the rate of 0.02 J/s, what is the number of photons that enter the eye per second? 2. What is the wavelength of a beam of ultraviolet light if its photon energy is 10 eV?

  • Properties of laser beam

    56707 Properties of laser beam What properties of a laser beam are used in: (a)holography- (b)punching holes in baby bottle (c)monitoring location of the crater of a dormant volcano by interferometry- (d)laying straight railroad tracks- Laser

  • Newton's laws of motion: Conservation of momentum

    The time taken in this way will be less. Time to return the spaceship using the momentum of photons of a flash light.

  • Modern Physics: Absorption of Mixed Energy Photon Beam

    If the beam enters a 15 cm thick concrete shield, what is the relative portion of 1 MeV photons to 0.1 MeV photons in the emergent beam? The sol. file is attached. A beam consist of photons of different energies incident and obstacle.

  • Radiation Pressure to Lift

    Power, P = 10000 Watt Cross-sectional diameter, d= 0.02 m speed of light, c = 3*10^8 m/s Because, force due to a laser radiation beam, F = change in momentum/time = P/c Pressure, p = Force (F)/ Cross-section Area (A) = P/(c*A) cross-sectional

  • Wavelength of Electrons

    From the photon theory we know two things: 1) In the classical picture, light is a wave (although experiments you are studying right now add to that picture).

View More Related Solutions