A He-Ne laser has a gas discharge temperature of 400 k. The atomic mass of Ne (which is responsible for lasing) is 3.35*10^-26 kg. if lasing wavelength is 630 nm, calculate the lineshape broadening due to doppler effect. * solve this question again baring in mind that the result is lambda = 0.002 nm , so the shift is 630 nm +/- 0.002 nm

Q: 4. Which of the following arises from π to π* transitions? Select all that apply.

A: π to π* transition is observed in UV spectrum. Therefore only option 5th is correct.

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A: Applying formula Wave number=1/wave length

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A: Wave number = ?

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A: Power ,P= 5mW  Wavelength,λ= 405nm = 405× 10-9m  Number of photons=?   ​

Q: 5.4 Assuming reasonable bond lengths, estimate the frequency of the J=15-14 transition in the linear…

A: The objective of the question is to predict the region of the electromagnetic spectrum.

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A: Wavenumber is given by,

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A: To Explain infrared spectrum chart with labels and details.

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Q: For light with a wavelength of 4.90 µm, calculate the corresponding wavenumber value.

A:

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A: Wavelength is inversely proportional to wave number

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A:

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Q: 12 1.0 08 E04 02 0.0 3750 3500 3250 3000 2750 2500 2250 2000 1750 1500 1250 750 Wavenumbers (cm-…

A: IR spectra deals results from the interaction of infrared radiation with matter by absorption. IR…