12th phy-part-2 Cha-1किरण प्रकाशिकी||अवतल गोलिय अपवर्तक सतह द्वारा अपवर्तन|| in hindi

[@rakeshtiwari6831]

Har har mahadev sir 🙏🙏✨

[@rakeshtiwari6831]

Thank uuuuu so much sir 🙏🙏🙏🙏🙏🙏🙏✨✨✨💫💫💫
Aaj ka live class bhut hi jyada aacha laga sir .....💯💯💯💯💯💯💯💯💯💫💫💫💫