What wavelength range of incident light will electrons

Reference no: EM13550855

Incident light of wavelength 400nm elite electrons having a maximum kinetic energy of 1.0ev from a material. a) what is the work function of the material in ev ? b) over what wavelength range of incident light will electrons be emitted from the material ?

Reference no: EM13550855

Questions Cloud

Violet bulb uniformly emit monochromatic light of wavelenght : A violet bulb uniformly emits monochromatic light of wavelenght 400nm. If it emits 10^23 photons in a hour, and it is 20% efficient, what is the watt rating of the bulb ?

Depict the lewis structure of [(ch3)3o]+ : Draw the Lewis structure of [(CH3)3O]+ . Be sure to show all atoms, bonds, lone pairs, and formal charges.

Determine at which angle will the electron scatter : A photon having E = 25.7 keV energy scatters from a free electron inside a metal. What is the maximum energy the electron can gain from the photon, At which angle will the electron scatter

Calculate the ground state energy of the electron : Take element Z = 39 from the periodic table. Ionize it 38 times so that there is only one electron left orbiting around the nucleus. What is the ground state energy of the electron

What wavelength range of incident light will electrons : Incident light of wavelength 400nm elite electrons having a maximum kinetic energy of 1.0ev from a material. a) what is the work function of the material in ev ? b) over what wavelength range of incident light will electrons be emitted from the mater..

Dark matter cosmologists have proposed dark energy : In addition to dark matter cosmologists have proposed dark energy. The reason for this was the discovery of: A) slowing down of the expansion of the universe B) cosmic background radiation C) acceleration of the expansion of the universe D) gravitati..

Estimate the speed of the disks center of mass : A solid, uniform disk of radius 0.250 m and mass 61.6 kg rolls down a ramp of length 4.60 m that makes an angle of 16° with the horizontal. Find the speed of the disk's center of mass when it reaches the bottom of the ramp

Estimate how much heat must be exhausted as waste : A heat engine operates between a cold reservoir at 10 C and a hot reservoir at 200 C. how much heat must be exhausted as waste

Physicists first attempted to understand the hydrogen atom : Physicists first attempted to understand the hydrogen atom by applying the laws of classical physics. Consider an electron of mass m and charge -e in a circular orbit of radius around a proton of charge +e. Use Newtonian physics to show that the tota..

User Account

All Pages