gkbxbb1092 gkbxbb1092
  • 22-02-2024
  • Physics
contestada

A beam of electromagnetic radiation of intensity 6.4 x 10⁻⁵W/cm²is comprised of wavelength, λ = 310nm. It falls normally on a metal (work function P = 2eV)of surface area of 1 cm². If one in 10³ photons ejects an electron, total number of electrons ejected in 1s is 10ˣ .

(hc = 1240 eVnm, 1eV = 1.6 x 10⁻¹⁹J),then x is ______.

Respuesta :

Otras preguntas

why does aunt georgiana travel to boston?
The graph shows the number of sprays an automatic air freshener dispenses, y, in x minutes: A graph is shown. On the x-axis, the values are from 0 till 150 in
Which were the upper class of colonial society?
Briefly explain why it is important to work in a fume hood
Holly missed 8 of 183 school days this year. Approximately what percent of school days was Holly in attendance?
On what you knowhow life was like during the dark and middle ages
How is social security revenue collected
According to the insurance research council, 14% of u.s. drivers are uninsured. a random sample of seven drivers was selected. what is the probability that thre
The ___________ of the glass of water on the table is its force. A) Mass B) Weight
Which piece of technology allowed scientists too look for life on mars ?