K.C.S.E Physics Q & A - MODEL 2011PP1QN05

K.C.S.E Physics Q & A - MODEL 2011PP1QN05

​Figure 4 shows two identical beakers P and Q full of water at 90°C. Two similar cold wet clothes are wrapped, one around the top of P and the other around the bottom of Q.

​State with a reason, the beaker in which the water cools faster.

ANSWER

•  P; 
• Cool layers from top descend and are replaced by hotter layers, convection starts from top;