PhotoDNA is a proprietary image-identification and content filtering technology widely used by online service providers. (Wikipedia).
Photoelectric Effect (4 of 8) Example No.3
Includes one easy to follow worked example for the photoelectric effect showing how to determine the minimum frequency and wavelength of light needed to emit an electron from a metal with a know work function. You can see a listing of all my videos at my website, http://www.stepbystepscien
From playlist Quantum Mechanics
If you are interested in learning more about this topic, please visit http://www.gcflearnfree.org/ to view the entire tutorial on our website. It includes instructional text, informational graphics, examples, and even interactives for you to practice and apply what you've learned.
From playlist Photoshop
If you are interested in learning more about this topic, please visit http://www.gcflearnfree.org/ to view the entire tutorial on our website. It includes instructional text, informational graphics, examples, and even interactives for you to practice and apply what you've learned.
From playlist Photoshop
If you are interested in learning more about this topic, please visit http://www.gcflearnfree.org/ to view the entire tutorial on our website. It includes instructional text, informational graphics, examples, and even interactives for you to practice and apply what you've learned.
From playlist Photoshop
Photoelectric Effect (7 of 8) Determining Planck's Constant
An explanation of how the graph of the frequency of the incident light and the maximum kinetic energy of the photoelectrons can be used to determine Planck's constant. Also shows how to determine the work function and cutoff frequency of the photocell. You can see a listing of all my video
From playlist Quantum Mechanics
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From playlist Biology
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From playlist Science Unplugged: Physics
A sample photoelectric effect / work function question with a solution
This video shows you how to use Einsteins equation for the photoelectric effect See www.physicshigh.com for all my videos and other resources. If you like this video, please press the LIKE and SHARE with your peers. And please add a COMMENT to let me know I have helped you. Follow me fac
From playlist Nature of Light
http://www.teachastronomy.com/ Astronomers measure the radiation from distant astronomical objects in several ways. The most basic information is called photometry. This is just a calibrated measure of the amount of light coming from an astronomical object. The light is gathered by the
From playlist 06. Optics and Quantum Theory
Photoelectric Effect (2 of 8) Example No.1 (Easy to Follow)
Includes one easy to follow worked example for the photo electric effect on how to calculate the work function. The photoelectric effect is the emission of electrons when light is shined on a material. Electrons emitted in this way can be called photoelectrons. In 1905, Albert Einstein p
From playlist Quantum Mechanics