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What is the time lag between the arrival of light at a metal surface and the emission of photoelectron?
no time lag.................
How do you calculate kinetic energy of the photoelectron emitted from the surface?
First, you need to work out the energy produced ie. E=hc/ lambda then you subtract its work function from the energy produced ie. KE=E-Eo
How is electromagnetic radiation used in night vision goggles?
It's all about electronics and something called an image intensifier (II). The II takes incoming light, which is of low energy in addition to their not being much of it, and it puts it onto an "electron emitter" where a photon of low energy light will kick out a photoelectron. This photoelectron (basically one photoelectron per incoming photon) is accelerated and then slammed into another "electron emitter" which will, because the incoming photoelectrons have been accelerated, kick out a bunch of photoelectrons per one of the incoming photoelectrons. That's the amplification part. The many photoelectrons now coming off this second electron emitter slam into a phosphor coated screen, and they cause the emission of enough photons to create an image the viewer can resolve. A link to the Wikipedia article on night vision devices is provided, and you'll find that link below.
Why it is time delay in photoelectric effect when assume light as a wave?
This is because of the the fact that , the inter-particle interaction between electron-proton and electron-neutron, taken one attosecond to cease, only after which can a photoelectron be liberated from the forces of attraction and repulsions within the atom.
Why do all photoelectrons not come with the same kinetic energy?
Some energy is lost in releasing the electrons from the nucleus. This energy is known as the work function, which relates to the threshold frequency. Therefore, the kinetic energy of the released photoelectron is equal to the photon energy minus the work function.
What has the author William Charles Price written?
William Charles Price has written: 'A discussion on photoelectron spectroscopy' -- subject(s): Photoelectron spectroscopy
What has the author J H D Eland written?
J. H. D. Eland has written: 'Photoelectron spectroscopy' -- subject(s): Photoelectron spectroscopy
What is photo electron spectroscopy?
The utilization of photo-ionization and kinetic energy distribution analysis of emitted photoelectrons to study the electronic state and composition of the surface region of a sample is known as photoelectron spectroscopy. This technique can be subdivided into two areas: X-ray photoelectron Spectroscopy and Ultraviolet Photoelectron Spectroscopy.
What has the author Stefan Hfner written?
Stefan Hfner has written: 'Photoelectron spectroscopy'
What is the time lag between the arrival of light at a metal surface and the emission of photoelectron?
no time lag.................
What has the author W C Neely written?
W. C. Neely has written: 'X-ray photoelectron spectroscopy (XPS), Rutherford back scattering (RBS) studies ..' -- subject(s): Aluminun alloys, Auger spectroscopy, Backscattering, Electron transitions, Photoelectron spectroscopy, X ray spectroscopy
What has the author Steven Allen Holmes written?
Steven Allen Holmes has written: 'X-ray photoelectron spectroscopy of trifluoromethylbenzenes and chlorofluoromethanes' -- subject(s): X-ray spectroscopy
What has the author Melvin Walter Siegel written?
Melvin Walter Siegel has written: 'The electron affinity of nitric oxide and the molecular constants of its negative ion, determined by laser photoelectron spectroscopy'
How do you calculate kinetic energy of the photoelectron emitted from the surface?
First, you need to work out the energy produced ie. E=hc/ lambda then you subtract its work function from the energy produced ie. KE=E-Eo
How is electromagnetic radiation used in night vision goggles?
It's all about electronics and something called an image intensifier (II). The II takes incoming light, which is of low energy in addition to their not being much of it, and it puts it onto an "electron emitter" where a photon of low energy light will kick out a photoelectron. This photoelectron (basically one photoelectron per incoming photon) is accelerated and then slammed into another "electron emitter" which will, because the incoming photoelectrons have been accelerated, kick out a bunch of photoelectrons per one of the incoming photoelectrons. That's the amplification part. The many photoelectrons now coming off this second electron emitter slam into a phosphor coated screen, and they cause the emission of enough photons to create an image the viewer can resolve. A link to the Wikipedia article on night vision devices is provided, and you'll find that link below.
What has the author Bahaa E A Saleh written?
Bahaa E. A. Saleh has written: 'Photoelectron statistics, with applications to spectroscopy and optical communications' -- subject(s): Statistical methods, Light beating spectroscopy, Photoelectrons, Optical communications, Stochastic processes
Why it is time delay in photoelectric effect when assume light as a wave?
This is because of the the fact that , the inter-particle interaction between electron-proton and electron-neutron, taken one attosecond to cease, only after which can a photoelectron be liberated from the forces of attraction and repulsions within the atom.
