close
    why a glass bowl kept in another big glass bowl of vegetable oil is invisible

    0  Views: 618 Answers: 1 Posted: 10 years ago

    1 Answer

    Read here...http://www.abc.net.au/science/surfingscientist/pdf/teachdemo27.pdf



    Top contributors in Education & Reference category

     
    ROMOS
    Answers: 151 / Questions: 0
    Karma: 8205
     
    Colleen
    Answers: 269 / Questions: 0
    Karma: 6570
     
    Benthere
    Answers: 4 / Questions: 0
    Karma: 4830
     
    Bob/PKB
    Answers: 93 / Questions: 2
    Karma: 3765
    > Top contributors chart
    452764
    questions
    719882
    answers
    756139
    users