lec 09 - ray optics - लेंस मेकर सूत्र , lens maker formula in Hindi by ashish singh

Hi friends !!! topic covered in this video किरण प्रकाशिकी - प्रकाश का अपवर्तन लेंस मेकर सूत्र ray optics - refraction of light refraction of light lens maker formula derivation ye video hindi medium ke physics optics ka video h ..... video dekhe and pls bataye ki apko kesa laga ... comment kare taki muje aur video dalne ka motivation and improve Karne ke suggestions mile ske... About : ashish singh lectures is a YouTube Channel, where you will find lecture videos of physics and chemistry in Hindi, New Video is Posted almost Everyday :)