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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 atoms because of excitations. The 2s states (as E3 and E5) of He are meta stable, therefore collisions of He atoms into this high state cause excitations into the Ne atoms. At last, the stimulated emission takes place in between E5 and E2leading to the emission of wavelength as:
ΔE = 20.66 - 18.70 = 1.96eV
that is Λ = hc/ΔE
= (6.63 × 10-34 × 3.0 × 108)/(1.6 × 10-19 v 1.96)
= 632.8nm
A block of mass m is resting on a piece of smooth paper. The block has coefficient of static and kinetic friction μ s , μ k with the paper, correspondingly. You jerk the paper hor
Indicate all that is incorrect about the statement The magnetic field lines of a stationary bar magnet move from the north pole of the bar magnet to the south pole of the bar magne
Calculation of number of atoms per unit cell The number of atoms per unit cell occurs on the crystal structure and the kind of basic elements (basis or pattern unit or motif) t
Assume a car rolls down a 52.0-m-long inclined parking lot and is stopped by a fence. If it took the car 11.25 s to roll down the hill, what was the acceleration of the car bef
What''s the main idea of the topic fluid mecanic???
Yes magnetism more important for iit because the weight of this magnetism is very hign so be careful about this magnetism chapter All the best for your preparation
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Each phase of a delta-connected load comprises a resistance of 30Ω and an 80µF capacitor in series. The load is connected to a 400V, 50Hz, 3-phase supply. Calculate (
It states that angular momentum of a system remains conserved if no net torque is acting on the system.
Charging: During charging the device is linked across a source of D.C. supply having a voltage of about 3 volts. When the circuit is switched on the current flows inside the cell
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