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प्रश्न
Distinguish between heat and temperature.
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उत्तर
| Heat | Temperature |
| It is a form of energy. | The physical state decides the direction of heat flow. |
| Addition of heat causes a change in the temperature of a body. | It is the effect of addition of heat |
| It is measured in joule or calorie | It is measured in Kelvin or Celsius |
| Measuring devices are calorimeter | Measuring device is a thermometer |
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संबंधित प्रश्न
Name the S.I. unit of heat and how is it related to the unit calorie?
Define temperature and write its SI unit.
Convert 80 K temperatures on the Celsius scale.
Name three devices which are used to detect heat radiations.
What is the unit of coefficient of linear expansion?
Draw a neat and labeled diagram of a clinical thermometer
Convert the following temperature into Fahrenheit scale:
600C
Convert the following temperature into Celsius scale:
95oF
Find the final temperature of a copper rod. Whose area of cross-section changes from 10 m2 to 11 m2 due to heating. The copper rod is initially kept at 90K. (Coefficient of superficial expansion is 0.0021 /K)
If you keep ice at 0° C and water at 0° C in either of your hands, in which hand you will feel more chillness? Why?
