In a gas discharge tube if 3 × 10^18 electrons are flowing per sec from left to right and 2 × 10^...

[@mamunimishra04]

Mun gata barsha 12th re fail heithili then sir nka vdo dekhithili UA-cam re sir nku msg kari online class join kali mun ei barsha exam deli pass karichhi sir bahut vala mate sir nkara padheiba way ta Bahut vala lage as a student Love u sir❤️🙏🏻🥰

[@NityanandaMasara]

Sir Bsc Chemistry Honours Batch Lunch karantu ❤

[@PGT_NPR_1]

❤❤

[@ShubhashisParida]

Good afternoon sir