Monochromator | Wavelength Selector | Interference Filter | Diffraction Grating | Dispersion | ZCC

[@hasnainali7047]

Sir, the specialty of your lecture is that one does not feel tired...

[@emanchemanch6392]

Very interesting and knowledge full lecture

[@AuthenticEducationChannel]

Sir sorry to say ,pdf file is not available in the description of this video

[@zerocramchemistry1610]

Now it’s available

[@AuthenticEducationChannel]

@@zerocramchemistry1610 thank you sir g💞

[@aj-gamer9125]

Very informative sir 🥰🥰

[@hafizshakoor3308]

Very interesting lecture great sir g

[@hashamhexa3816]

Sir it meaans k diffraction grating light ko bend b krti h aur disperse b krti h??

[@zerocramchemistry1610]

Not, diffraction grating just diffraction light, while prism monochromator disperse light into several wavelengths

[@hashamhexa3816]

@@zerocramchemistry1610 sir its shown just at 24 min in ur video?

[@tayybarazaq5079]

Sir why the angle of reflection of beams after diffraction become different even if they have same angle of incidence for more than one incident rays?

[@zerocramchemistry1610]

This thing I have clearly explained in the video. Please watch it again with focus. Thanks

[@ayeshach-w6p]

sir ap ny kha ky red ma kess wavelengths ha to os ki soeed zda ha to is ki interaction prism ky sth kam ha to less bending ho gia..............On the other hand ap ny violet ligt ma kha os ki short wavelengths speed kam ha intraction zda ha .........red ma bi short wavelength ha r violet ma to in ki soeed ma differentiation ksy aii

[@aqsaiqbal2374]

Sir ! Is it possible that the interfering species absorb the same 'selected wavelength' as absorbs by the analyte due to any possible phenomenon? If yes, then how detector differentiates the absorption due to analyte and interfering species?

[@zerocramchemistry1610]

Yes it is possible as analyte or interfering species can absorb similar if not identical wavelengths. This is the problem as we are sending at least more than one wavelength after selection through monochromator to have some measurable response from detector. In that case we have some extra features installed in instrument such as magnetic polarity induction or installation of one additional secondary light source in line with regular source. We will discuss it further in the course under the heading of removing spectral and matrix interferences.

[@aqsaiqbal2374]

@@zerocramchemistry1610 Ok thank you Sir

[@educationalzone5782]

sir| at surface of CDs or DVDs both diffraction and dispersion occurs, or just diffraction?

[@zerocramchemistry1610]

Diffraction. CD or DVD is just for example to illustrate real diffraction grating

[@maryamramzan8914]

Very interesting lecture

[@noob_10pubg11]

Masha Allah ❤️

[@Learningsite123]

Awesome 😊😊

[@zerocramchemistry1610]

Glad you found it awesome!

[@aj-gamer9125]

Epic ❤️🥰❤️ sir g

[@hafizabdulshakoor6911]

Very interesting

[@MuhammadRizwan-kj9sx]

Nice sir ji

[@tayybarazaq5079]

Sir is there any difference between specteograph and polychromator as both are isolating bands of different wavelenghts at a time?

[@zerocramchemistry1610]

In broad terms there is no difference but generally polychromtor is more advanced term and it is simply monochromatic device with out any exit slit.

[@rananoman6224]

Good explain..❤

[@mahakshzadi4886]

Sir g your convey behavior is superb Ume Laila msc semester I evening

[@safiaatta5898]

Sir! Effective band width is range of wavelength passing to mnonochromator.. To sir jb monochromator ko move krain gy multiple wavelengths pass krvany k liy to max r min effective band width k kiya effect ho ga quality of peaks py(narrow/ band)?

[@zerocramchemistry1610]

Please repeat your question, I never understood what you wanted to ask?

[@safiaatta5898]

@@zerocramchemistry1610 Sir actually am confused about role of effective band width in wavelength selection in monochromator..

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Arslan Ahmed Msc chemistry semester 1, nice lecture

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MashaAllah

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Muhammad RIZWAN nice sir ji

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sir pdf file ni h

[@zerocramchemistry1610]

Now available

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Mehnaz Asghar MSc Chemistry 1st semester (evening)

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Thanks for teaching us in easy way M.Ejaz Abdul Qayyum M.sc chemistry 1st semester evening

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5049.MSc inorganic 4rth smester Great sir. Thanks.

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