Indian National Physics Olympiad Arihant Sourabh Chapter 5 Heat and Thermodynamics D C Pandey NSEP INPhO IPO IPhO conducted by HBCSE Homi Bhabha Center for Science Education
“ At the end of your life, you will never regret not having passed one more test, not winning one more verdict or not closing one more deal. You will regret time not spent with a husband, a friend, a child, or a parent. ” ― Barbara Bush
