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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Saurabh 1 Best Answer
This question seems incomplete to me and the language of question is vague..... What we have to put value of r1 here... no data provided...(Answer can range from. negative value to positive value as no data is provided about the particles size which one is greater like either( d1>d2 or d2>d1) ..