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Explain about the term pumping in laser.
Pumping in laser is particular criteria to get laser output. It is same to pumping well water to the ground level or to an overhead tank against gravity along with a water pump.
Here the work is completed to increase the potential energy of the water against gravity. It finds its applications within opthalmology, cosmetic medicine, dentistry, manufacturing, laser range finders and fluid dynamics and more.
Factors which are affect velocity of sound in gaseous medium is (1) Effect of density (2) Effect of pressure (3) Effect of temperature : (4) Effect of humidity
In order to obtain p-type germanium it should be doped with a (A) Trivalent impurity. (B) Tetravalent impurity. (C) Pentavalent impurity. (D) Any of the above will d
When unsaturated compounds undergo addition reactions with free radicals, it is known as free radical addition reaction.
UNIT AND DIMENSION OF DISPLACEMENT. The S1-unit of displacement is metre (m). The dimension of displacement is [L] or [M o LT o ]
For an object moving in uniform circular motion, the direction of the instantaneous acceleration vector is: w) tangent to the path of motion x) equal to zero y)
The effects of back emf on circuit current: In proving the time constant, it was stated that, at the instant the switch is closed, the current (I) is zero. This is because, at
Illustrate the mechanism of piezoelectric effect? Mechanism of Piezoelectric effect: Piezoelectric and inverse piezoelectric consequences are only exhibited through certain
Violet light (λ = 415 nm) falls on a slit that is 0.040 mm wide. The distance among the centers of the central bright band and the third-order dark band is 18.7 cm. What is
Find the current flowing in the 5Ω resistor of the circuit shown in Figure using (a) Kirchhoff's laws, (b) the superposition theorem, (c) Thévenin's theorem, (d) Norto
(i) A matter pulse is not electromagnetic in behavior. (ii) Practical observation of matter waves is possible only when the de-Broglie wavelength is of the order of the size of
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