What will be the final temp of 20 kg of water at 30°C if 1000 W heater gives 4.2 * 10^3 KJ?
What is the change in temp of water, if heat = 5*1065, 20 litres water.
How much energy is released, 5 kg mass of iron, 17 degree to 2 degree temp.
What will be the quantity of heat energy lost. if m = 200 gm mercury, cooled from 10 to -10 °C
The temp of 2 kg water is 10 degrees, 84000J of heat is given. Calculate the temperature.
Calculate the specific heat capacity of the substance having mass of 1.5 kg, if the heat required is 100 calorie to raise the temperature by 60 degrees.
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 |
If equal mass of given substance is heated at 80 degrees which one will make deeper hole in the wax slab.
substance | specific heat capacity |
X | 138 J/ kg °C |
Y | 883 J/ kg °C |
Z | 4200 J/ kg °C |
Specific heat capacity of three substances is given below,which one has highest temperature. why ?
substance | specific heat capacity |
X | 138 J/ kg °C |
Y | 883 J/ kg °C |
Z | 4200 J/ kg °C |
12.6 * 10 ^3 J is applied to 500 gm of alcohol, temp raised 20 °C. Calculate specific heat capacity of alcohol.
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