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Explain the exact process of Neodymium-Yttrium-Aluminium-Garnet Laser.
While the flash lamp is switched start, the intense beam of white light through the lamp excites the Nd3+ ions leading to population inversion and at last one can acquire the laser radiation at the wavelength of 1.06 µm. The energy level diagram defining the exact process occurred into this type of laser is demonstrated here as given below:
an object moves along the x axis according -to the equation x(t)=(3t^2-2t+3)m .determine (a) the average speed b/n t=2sec and t=3sec,(b) the instantaneous speed at t= 2s and t=3s (
Q. A rubber ball is dropped to the floor. What force act on the ball to bounce? Does the Earth "bounce" too? Ans. The force of the Earth pushing back on the ball causes
law of successive diintegration
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
which electronic level would allow the hydrogen atom to absorb a photon but not to emit a photon
composition of simple harmonic motion
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what should be the length of a nichrome wire of resistance 45 ohms if the length of a similar wire is 60 cm and resistance is 25 ohms
Illustrates the research of electron microscopy? Research in electron microscopy includes: a. Materials qualification b. Electron beam induced deposition, and materials a
Q) What do u mean by magnetic induction? what is the dimensioin of magnetic induction? Ans) Electromagnetic induction is the manufacture of a potential difference (voltage) acro
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