Unit 4 | Fibre optics Lecture 5 | Numerical Aperture | By Niraj Sir

[@babliverma-s4g]

Very Good explanation

[@manpandey1045]

Book for upsc preparation and also suggest notes preparation 🙏

[@adityasinghyadav8037]

Good presentation skill Respected Sir

[@Nksir_83]

@@adityasinghyadav8037 thanks

[@Viral_shorts60002]

Nice explanation 🙏❤️❤l

[@Nksir_83]

Thanks

[@manpandey1045]

Sir ek request thi apse 🙏
Please UPSC exam ke liye Guidance kar diye🙏

[@Nksir_83]

Ok

[@manpandey1045]

Sir kuch important book ar notes ke liye video bna dijiyega​@@Nksir_83