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Introduction to Semiconductor (in Hindi)
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Why semiconductor? Concept of hole Types of semiconductor

Sachin upadhyay is teaching live on Unacademy Plus

Sachin upadhyay
🌟star educator|teaching on unacademy since 2018| YouTube channel; Sachin sir physics | 1.92 lakh subscriber| 12 million views

Unacademy user
sir,you had misssed daily current affairs mcq from dt 19-23 april ,can you upload the same.
dear Sir my exams are very near... please upload fastly kyunki 8Feb ko mera physics ka exam h..... plzz sir i don't want any other teacher please upload rest chapters
Arpan AWASTHI
4 months ago
saal bhar
dear Sir my exams are very near... please upload fastly kyunki 8Feb ko mera physics ka exam h..... plzz sir i don't want any other teacher please upload rest chapters
tq u so much sir...🙇🙇 tussi greatt ho 😊😊
M Kashyap
5 months ago
hello welcome on unacademy
M Kashyap
5 months ago
hello welcome on unacademy
Aanchal Angel
5 months ago
yrr me to bhut phele su hu... unacademy pe jb sir ne join kiya usse phele se me follow krti thi is platform ko... but itna use nii krti thi...😊
Aanchal Angel
5 months ago
yrr me to bhut phele su hu... unacademy pe jb sir ne join kiya usse phele se me follow krti thi is platform ko... but itna use nii krti thi...😊
M Kashyap
4 months ago
ok yaar how's your prep going on
M Kashyap
4 months ago
ok yaar how's your prep going on
Anjna Gaur
3 months ago
Anchal ap utube pr physics baba se pdh ti ho na
Sir plzz Wave Optics ka crash course upload kar dijiye
U r doing a fab job sir vaise he apnai humare phy phlai he itni aachi kr de hai n ab yai crash course krkai aur v jyada sharp ho jaige thanks a lot sir may god bless u 👍
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