Which one of the below substance can be used as cooling agent of engine ? why ?
substance | specific heat capacity |
X | 138 J/ kg °C |
Y | 883 J/ kg °C |
Z | 4200 J/ kg °C |
Three liquids A,B,C having an equal masses are kept in three different beakers of same shape and size and are exposed to sun light. After 10 minutes the increased temperature of each is given in table. Which liquid has highest specific capacity and which liquid cools faster, Why?
Liquid | Change in temperature |
A | 10°C |
B | 8°C |
C | 6°C |
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