| [ QuizWit ] in KIDS 글 쓴 이(By): ilusion (XBoyFriend�0) 날 짜 (Date): 1995년05월13일(토) 02시42분00초 KST 제 목(Title): re: who can teach me. the answer is no. the light will enetually absorbed since there is no such thing as 100% reflection rate. however, if you assume the sphere as a black body and the inside surface to be 100% reflecting mirror then you can contain light inside the ball. if we assume the mirror to be X reflection rate ( energy reduced by 100-X %) then you may calculate the time the energy will be reduced by half. (called half life?(BANGAMGI?)) �징蔑汶蔑汶蔑汶蔑汶蔑汶蔑汶蔑汶蔑� 환상 iLUSiON / Department of Mathematics, University of Toronto, Canada 유아독존클럽 회장, 환상연구소 소장, 환상상담실장, 아지 주인,티티파스형 엑스 보이프렌드, 그리고 환상교 교주 chung @@@@@@m@math.toronto.edu |