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Describe how the laser transitions are arisen. The given energy level diagram could describe how the laser transitions arise. Collisions in between the He atoms and Ne
Q. An electron beam is accelerated through a potential difference of 104 volt. Find the de Broglie wavelength. λ = 12.27 A o / √V λ = 12.27 A o / √10 4 = 0.1227
Five coulombs of charge are placed on a thin-walled conducting shell. Once the charge has come to rest, the electric potential in the hollow conducting shell is found to be:
factors affecting emf of cell
The drag on a submarine moving below from free surface (surface wave are not important) is to be determined by a test on a 1/15 scale model in a water tunnel. The velocity of the p
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LENARD ATOMIC MODEL : Lenard suggested that the atom must have a lot of empty in it. Lenard's model of an atom could not explain about the stability and mass of an atom .
Q. What are emissive and absorption spectra? Emission spectrum: When the light emitted straight from a source is examined with a spectrometer the emission spectrum is ob
When a certain beam of light falls upon a metal surface, it ejects photoelectrons from it. The number of photoelectrons ejected per second by the beam of light depends upon on
Use the mirror equation to deduce that: (a) an object placed between f and 2 f of a concave mirror produces are al image beyond 2f. (b) a convex mirror alwa
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