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Planck radiation law
A law that defined blackbody radiation better than its predecessor, therefore resolving the ultraviolet catastrophe. It is depend on the supposition that electromagnetic radiation is quantized.
At thermodynamic temperature T, for a blackbody, the radiancy R onto a range of frequencies among nu & nu + dnu is provided by
R = 2 pi h nu3/[c3 [exp (h nu/k T) - 1]].
What are basic attenuation mechanisms in a fibre? The fundamental attenuation mechanisms into a fibre are as follows: a. Absorption b. Scattering (Mie and Rayleigh scatte
Illustrate the objectives according to applications of ultrasonics? By learning the objectives of this section, you are familiar with following terms: a. Application of ultr
Show the types of chromatic aberration. What do you understand by Fraunhoffer lines? Explain their origin.
Correspondence principle (N. Bohr) The principle that when a new, more general theory is placed forth, it has to decrease to the more specialized (and usually simpler) theory
Q. What is an electric dipole? Define: the dipole moment. Two equal as well as opposite charges separated by a very small distance constitute an electric dipole. Instances amm
What you mean by term quantum mechanics? The term “quantum” came from the Latin word that implies "how great" or "how much" that is quantity. In quantum mechanics, that refers
DC voltage measurements: Examples of how to make DC voltage measurements are show in the two diagrams below. In both cases, the red and black test leads are connected to the '
Steps of working of Unijunction Transistor (i) When emitter circuit is closed through switch S but emitter voltage is reduced to zero, and a voltage V BB is applied between
I want a project on this topic for cbse board
It is worth noting that positive charges have lines of forces moving out from them and negative charges have lines of forces entering them.for attraction of charges one charge must
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