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What are other manufactured wavelengths in Helium-Neon Laser?
Then what remembers while there is mention of a He-Ne laser is a red beam, those along with other wavelengths are manufactured,
a. Green of 543.5 nm, yellow of 594.1 nm, and orange of 611.9 nm He-Ne lasers are obtainable but are not nearly as efficient as the common red type as the spectral lines which require to be amplified are much weaker at such wavelengths.
b. Also IR (infra-red) He-Ne laser tubes are manufactured too at the IR wavelengths 1,152.3 nm and 3,391.3 nm. Such can be generated with considerable efficiency using suitable filters.
Write the Maxwell's electromagnetic equation, which follows from the non-existence of isolated magnetic pole
i. Open System - Here the system boundary is like energy and matter can enter or leave the system freely. Infect the system boundary here is imaginary. ii.Closed System - Here t
A string has a linear density of 7.20 10-3 kg/m and is under a tension of 390 N. The string is 1.9 m long, is fixed at both ends, and is vibrating in the standing wave pattern sho
Verify Biot-Savart law. Use it to derive an expression for the magnetic field at the centre of a circular loop of radius R carrying a steady current I. Sketch the magnetic field li
Properties of light: The wavefronts can be of different shapes depending on the size and shape of light source and the distance from it. Huygens' principle states that every p
In a ripple tank two regions A and B can be created by introducing a pile of glass plates in region B. Thus region B is a shallow water region while region A is a deep water re
a) Amplitude : It is the main value of distance of the particle from its equilibrium position. b) Time period (T): Smallest time interval after which the oscillatory motion
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what are the examples of accurate and precise
Concept of wave front The basis of Huygens wave theory of light is his principle concerning construction of wave front. When a disturbance from a light source travels i
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