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प्रश्न
What is a photocell?
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उत्तर
Photoelectric cell or photocell is a device which converts light energy into electrical energy. It works on the principle of the photoelectric effect.
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संबंधित प्रश्न
In photoelectric emission, a radiation whose frequency is 4 times threshold frequency of a certain metal is incident on the metal. Then the maximum possible velocity of the emitted electron will be
Photons of wavelength λ are incident on a metal. The most energetic electrons ejected from the metal are bent into a circular arc of radius R by a perpendicular magnetic field having magnitude B. The work function of the metal is
Mention the different types of photocells.
Explain the effect of potential difference on photoelectric current.
Explain how frequency of incident light varies with stopping potential.
List out the laws of photoelectric effect.
Explain the quantum concept of light.
Obtain Einstein’s photoelectric equation with the necessary explanation.
Explain experimentally observed facts of the photoelectric effect with the help of Einstein’s explanation.
Calculate the maximum kinetic energy and maximum velocity of the photoelectrons emitted when the stopping potential is 81 V for the photoelectric emission experiment.
