For gaseous state, if most probable speed is denoted by C∗, average speed by Cˉ and mean square speed by C, then for a large number of molecules the ratios of these speeds are : [JEE (Main) 2013]
a. C∗:Cˉ:C=1:1.128:1.225
b. C∗:Cˉ:C=1:1.225:1.128
c. C∗:Cˉ:C=1.225:1.128:1
d. C∗:Cˉ:C=1.128:1.225:1