Calorimeter
Trending Questions
Q. A _______ is used to measure the heat content of an object.
- clinical thermometer
- calorimeter
- microscope
- digital thermometer
Q.
A calorimeter contains 0.2kg of water at 30∘C. 0.1kg of water at 60∘C is added to it, the mixture is well stirred and the resulting temperature is found to be 35∘C. The thermal capacity of the calorimeter is ( specific heat of water =4200Jkg−1K−1
- 1260 J/K
- 6300 J/K
- 4200 J/K
- None of these
Q. The amount of heat required at 1 atmospheric pressure to raise the temperature of 1 gram of water by 1° Celsius is called calories.
- one
- two
- three
Q. According to conservation of energy, heat gained by one body is equal to heat lost by another body.
- True
- False
Q.
50g of copper is heated to increase its temperature by 10∘C. If the same quantity of heat is given to 10g of water, then the rise in its temperature is (specific heat of copper =420J/kg/∘C)
5∘C
6∘C
7∘C
8∘C
Q. 1 Calorie is equal to joules
.
.
- 4.184
- 2.326
- 9.182
Q. 1 Calorie is equal to joules
.
.
- 4.184
- 2.326
- 9.182
Q.
50 g of copper is heated to increase its temperature by 10∘C. If the same quantity of heat is given to 10 g of water, what will be the rise in its temperature? Assume no state change.
Specific heat of copper =420 J kg−1 ∘C
Specific heat of water =4200 J kg−1 ∘C
6∘C
5∘C
7∘C
8∘C
Q. The specific heat of a solid at low temperature varies according to the relation c=kT3 where k is a constant and T is temperature in kelvin. The heat required to raise the temperature of a mass m of such a solid from T=0K to T=20K is:
- 2×104mk
- 16×104mk
- 8×104mk
- 4×104mk
Q. The temperature of 600 g of cold water rises by 15∘C, when 300 g of hot water 50∘C is added to it. What was the initial temperature of the cold water?
- 10∘C
- 5∘C
- 25∘C
- 15∘C