Total energy of 1 00 photons from a flash light of wavelength λ = 550 n m

Question

Want to see the full answer?

Answer 1

Question

Chapter 26, Problem 40QAP

To determine

Total energy of 100 photons from a flash light of wavelength λ=550nm

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Students have asked these similar questions

A light source of wavelength λ illuminates a metal and ejects photoelectrons with a maximum kinetic energyof 1.00 eV. A second light source with half the wavelength of the first ejects photoelectrons with a maximumkinetic energy of 4.00 eV.• Determine the work function of the metal

• Which among the following is a key process adopted for the laser beam formation as it undergoes the light amplification? A. spontaneous Emission, B. stimulated Emission, C. both A and B, D. none of the above. • In Stimulated Emission, which among the following parameters of generated photon is/are similar to the photon of incident wave? A. phase, B. frequency, C. polarization & direction of travel, D. all of the above. • In a LASER structure, the existence of standing waves is possible at frequencies for which the distance between the mirrors is an integral number of A. λ/2, 2/4, 2/6, D. 1/8. В. C. A/6, С.

Problems • A beam of light with intensity of 3mW and a wavelength of 742 nm is striking a solar cell. Estimate the number of photons incident on the cell. • If the dark saturation current of a solar cell is 1.7X10-8 A/m², the cell temperature is 27 °C, and the short-circuit current density is 250 A/m?, Vmax = 0.526 V. Calculate the open-circuit voltage, Voci current power, maximumlmax; power,maximunfatdensity radiationsolar availablethe Whennmax.efficiency,maximum W/m? and 820 is