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thanks Neil for appreciation... I am also making my website for all practical files and free study material. Waves and Optics is there. You can have a look at it in you spare time... alllabexperiments.com
@All Lab Experiment, Very beautifully explained, detailing of animation is perfect. Kindly, correct the formula of dispersive power shown at the timing 7:20. You have added refractive indices of both the colours (violet and red). While in starting you have shown correctly.
Thanks Samridhi for finding this error. May be at that time i just copied the average refractive index formula and modified it but forgot to change the sign. Thanks a lot for mentioning. Will correct it soon. Have a good day :-)
Sir please ye batana ki graph between angle of minimum devation and 1by wavelength square straight kyo aata hh please batana .. sir viva me question puccha jayega please sir .. batado kyo straight graph aata hh
In case of direct ray, the image of the slit isn't clearly observed, the brightness is so low ; that's why it seems hard to set the image of the slit in the crosswire and to take readings. In case of refracted ray (through prism), I'm unable to see the spectrum on account of very low brightness ! Sir, how to overcome this problem? Please tell me in details.
Infact this is related to slit width. And the alignment of slit and the prism. Watch my video how to set a spectrometer. I think you will get to know what i am talking about. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-VeTQq69ztpU.html
I don,t know the reason but one more guy has also reported me this. Join my facebook page from the link given in the description. You will get most of stuff cited there for sure..🙏