A metal piece of density 
floats on liquid of density 
. The coefficients of volume expansion of the metal and liquid are 
and 
, respectively. The temperatures of both liquid and metal are increased by 
. Then match the following:
Column-I | Column-II | ||
(A) | If | (I) | the solid lifts up |
(B) | (II) | fraction of the volume of metal submerged in liquid increases | |
(C) | If | (III) | the solid sinks |
(IV) | no effect on fraction of solid submerged in liquid |
Text Solution
Verified by ExpertsB
Fraction of volume submerged, 
After increasing the temperature
(because 
If 
, then 
If 
, then 
; it means fraction of volume submerged decreases and solid lifts up.
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