CBSE — Wrong question

Address:

Kamrup Metropolitan, Assam

This is to inform that there was a wrong question in the science paper (code-31/1 set 1) of class 10 board finals conducted on 03/03/2015. The question no.4 of section A had interchanged the values of the refractive indices of glass and water which when solved gave answers defying the laws of physics. There was utter confusion and waste of time in solving the question. Some students wrote the invalid answer according to the question whereas some corrected the question and wrote the right answer.