Does solar radiation encompass a complete spectrum
Does solar radiation encompass a complete spectrum of all the forms of electromagnetic radiation?
Expert
Yes it definitely does. It comprises all the forms of radiation; however 99% of its energy is taken by radiation with wavelengths among 278 and 4600 nm, with the utmost at 472 nm.
Write down the vital difference between the electron and a beta ray?
Speed of light (in vacuo): c: The speed at which the electromagnetic radiation spreads in a vacuum; it is stated as 299 792 458 m/s.
Causality principle: The principle which cause must always precede effect. More properly, when an event A ("the cause") somehow persuades an event B ("the effect") that take
What do you understand by the term anti-aliasing? Describe briefly?
Cosmological redshift: The effect where light emanates from a distant source appears redshifted since of the expansion of the space time itself.
Explain Poisson equation and Poisson spot: Poisson equation (S.D. Poisson): The differential form of Gauss' law, that is, div E = rho, Pois
Mach number (E. Mach): It is the ratio of the speed of an object in a specified medium to the speed of sound in that medium.
Define Kelvin or basic SI unit of thermodynamic temperature: Kelvin: K (after Lord Kelvin, 1824-1907): The basic SI unit of thermodynamic temperature stated as 1/273.16 of the thermodynamic temperature of triple point of the water.
Joule: J (after J.P. Joule, 1818-1889): The derived SI unit of energy stated as the quantity of work done by moving an object via a distance of 1 m by exerting a force of 1 N; it therefore has units of N m.
Write down any two elementary particles that have nearly infinite life time?
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