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प्रश्न
Define calorie. How many joules make one calorie?
Explain calorie. How many joules can make 1 calorie?
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उत्तर
One calorie is the amount of heat energy required to raise the temperature of one gram of water through 1°C.
There are 4.2 J in one calorie
1 Cal = 4.2 J
संबंधित प्रश्न
Temperature is the measures of the ______ Kinetic energy of the atoms in a substance.
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Distinguish between heat and temperature.
Convert 80 K temperatures on the Celsius scale.
Write down the SI unit of latent heat.
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Draw a neat and labeled diagram of a clinical thermometer
State one use of each of the following type of thermometer:
Laboratory thermometer
State one use of each of the following type of thermometer:
Six's maximum and minimum thermometer.
The hot metal ball is suspended from a string in a metal box as shown in the following figure
(i) What are the ways in which the ball loses heat
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Analogy
Heat : Joule :: Temperature : _____
______ determines the direction of the flow of heat.
Assertion: Temperature is the measure of heat energy.
Reason: Energy is the capacity to do work.
Match the following:
| Column-I | Column-II | |
| 1. | Length | s |
| 2. | Mass | m |
| 3. | Time | k |
| 4. | Temperature | kg |
