A 20 cm long capillary tube is dipped in water The water rises upto 8 cm . If the entire arrangement is put in freely falling elevator,the length of water column in capillary tube willbe ?

A 20 cm long capillary tube is dipped in water The water rises upto 8

1.	A 20 cm long capillary tube is dipped in water The water rises upto 8 cm . If the entire arrangement is put in freely falling elevator,the length of water column in capillary tube willbe ?
Answer» Solution :In FREELY falling elevator `g=0` .HENCE ,water rises in TUBE .`(h=(2costheta)/(rrhog))`. Therefore water fill whole tube So, length of water column in tube is 20 CM .