Free IIT JEE study material, video lectures, NCERT and CBSE solved questions are provided by http://www.exponenteducation.com for the aspirants of IIT JEE, AIEEE, AIPMT, NEET, MP PET, WBJEE, CEE, MHTCET etc.This video lecture solves multiple choice problem on Reflection from IIT JEE 1998 Physics paper. Hundreds of such video solutions from IIT papers are made available by Exponent Education for FREE.More such online classes are available at http://www.youtube.com/user/exponenteducation and http://www.crackiitjee.com/video-lectures/ for preparation of XI, XII, IIT JEE, AIEEE and other entrance exams. you can also join us on Facebook http://www.facebook.com/ExponentEducation