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प्रश्न
What do you mean by temperature?
उत्तर
Temperature is the degree of hotness or coldness of a body compared to other bodies around it. SI unit of temperature is Kelvin (K)
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संबंधित प्रश्न
What is the Fahrenheit scale of temperature ?
The temperature rises by 18°F. What is the rise on the Celsius scale?
Name or state the following:
The law which states that pressure remaining constant the volume of a given mass of dry gas is directly proportional to its absolute [Kelvin] temperature.
At 0°C and 760 mm Hg pressure, a gas occupies a volume of 10Q cm3. The Kelvin temperature (Absolute temperature) of the gas is increased by one-fifth while the pressure is increased one and a half times. Calculate the final volume of the gas. [80 cc.]
Define one joule of heat.
The following figure shows a rectangular box with two tubes P and Q at the top. A burning candle R is placed under the tube P. The candle burns brightly.
Explain:
(i) How is the air in the box circulating?
(ii) What will happen if the opening Q is closed?
Match the following
| 1. | Heat | 0o C |
| 2. | Temperature | 100o C |
| 3. | Thermal Equilibrium | kelvin |
| 4. | Ice cube | No heat flow |
| 5. | Boiling water | joule |
Why are burns caused by steam more painful than those caused by boiling water at the same temperature?
