Photoluminescence (PL) Spectra

[@trioviv]

It seems just listening to an article. Please teach also. Thank you.

[@AGnanaprakasam]

Dont't watch this video and save your time..

[@majedulislam8418]

i waste my 10 min for nothing!!!!! then stopped.

[@purneshsingh8174]

Stop reading from paper sir. If you can explain in hindi please go with that language, English is not mandatory. Delivering the concept is important not by which language.

[@pinkisuthar6421]

Oh my gosh ..he is just reading..who will teach😢
He doesn't know how to explain

[@arvindkaushik8525]

Thank You for the easy and understandable explanation, Sir.

[@loveindia6526]

He is India's renowned researcher.😢 He has done his PhD in solid state and teaching about spectroscopy. Horrible😂😂😂😂

[@arminzjajo8629]

Thank you

[@dhimandas8758]

This is horrible teaching. How does he have so many subscribers?

[@lwithwsaswargiary4432]

Horrible