The ratio of de-Broglie wave length of molecules of hydrogen and helium which are at temperature 27 degree C and 127 degreeC respectively is The ratio of de-Broglie wave length of molecules of hydrogen and helium which are at temperature 27 degree C and 127 degreeC respectively is September 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related