Indian National Physics Olympiad Arihant Sourabh Chapter 9 Optics D C Pandey IIT JEE for NSEP INPhO IPO IPhO conducted by HBCSE Homi Bhabha Center for Science Education
“ Be like the sun for grace and mercy. Be like the night to cover others' faults. Be like running water for generosity. Be like death for rage and anger. Be like the Earth for modesty. Appear as you are. Be as you appear. ” ― Rumi