Particle Nature of Electromagnetic Radiations
Particle Nature of Electromagnetic Radiations: Overview
This Topic covers sub-topics such as Photoelectric Effect, Photoelectrons, Quantum, Black Body Radiation, Threshold Frequency, Work Function, Energy of a Photon, Threshold Wavelength and, Characteristics of Photoelectric Effect
Important Questions on Particle Nature of Electromagnetic Radiations
What leads to the establishment of the particle nature of electron?
On what basis did Bohr propose his atomic model?
Give the value of Planck's constant in .
Give the value of Planck's constant in .
Which theory supported the particle nature of an electron?
What name did Max Planck give to energy packets?
What was the mathematical equation given by Max Planck?
Explain the ejection of electrons from metal surface and their relation to the particle nature of electromagnetic radiations
Tell about the particle nature of electromagnetic radiation by the photoelectric effect.
Define absorption and emission spectra.
Name the phenomenon which shows the quantum nature of electromagnetic radiation.
What is the quantum nature of electromagnetic radiation.
The amount of light emitted (intensity of radiation) from a black body and its spectral distribution depends only on its temperature.
_____ black approximates fairly closely to the black body.
What are the properties of black body?
What do you mean by the term photoelectrons?
The photoelectric effect is the emission of _____ or other free carriers when light shines on a material.
In photoelectric effect, the kinetic energy of the photoelectrons increases linearly with the frequency of incident light.
Stefan-Boltzmann law states that the energy radiated per unit area per unit time by the black body is
A perfectly black body
