K.C.S.E Physics Q & A - MODEL 2015PP1QN12

K.C.S.E Physics Q & A - MODEL 2015PP1QN12

​Figure 6 shows a glass tube with water fitted with two identical thermometers A and B.
It is heated as shown

​State with a reason which one of the two thermometers shows a higher temperature.

ANSWER

•  B
• As the heating continues the hot water rises conventionally, due to the reduced density the hot water remains at the top.