Think A While......will be also known as TAW will be a series of sheets consisting of conceptual and thought provoking questions which will enhance your understanding towards the subject. It will guide you in understanding how to apply specific knowledge to the problems. Physics is less studying and more Learning. And, learning becomes easier when it has much of fun. So, all the very best for your new academic year. Try to learn everything by Fun. I hope this series will prove helpful in developing your own thinking towards the subject.