Railway Group D Science by Neeraj Sir | Refraction by Lens | рд▓реЗрдВрд╕ рд╕реЗ рдЕрдкрд╡рд░реНрддрди | Refraction through Lenses by …
Railway Group D ЁЯдй Refraction by Lens (рд▓реЗрдВрд╕ рд╕реЗ рдЕрдкрд╡рд░реНрддрди) рд░реЛрдЬ рдЖ рд░рд╣реЗ рдкреНрд░рд╢реНрди #neerajsir #sciencemagnet
