Answers:
The rate at which photoelectrons are emitted from a photoemissive surface …
* is determined by measure the electric current.
* is directly proportional to the intensity of the incident light when frequency is constant.
hf = phi + Ek
This is the equation for the photoelectric effect, where on earth electrons are ejected from a material individual struck by light. h is Planck's constant and f is the frequency of the incident photon. Phi is the amount of drive required to remove an electron from its binding and Ek is the kinetic energy observed.
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The rate at which photoelectrons are emitted from a photoemissive surface …
* is determined by measure the electric current.
* is directly proportional to the intensity of the incident light when frequency is constant.
hf = phi + Ek
This is the equation for the photoelectric effect, where on earth electrons are ejected from a material individual struck by light. h is Planck's constant and f is the frequency of the incident photon. Phi is the amount of drive required to remove an electron from its binding and Ek is the kinetic energy observed.
Related Questions:
How does a solar-powered flashlight work?
Don't you need light to make it work? You do stipulation sunlight to make the solar cells generate electricity. The electricity is then stored surrounded by some form of capacitor. After dark you could then use your flashlight. Yes and no, it needs sunlight to charge the in-built rechargable battery via a solar panel that is usually...