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प्रश्न
Write down the temperature of the lower fixed point on the Fahrenheit scale.
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उत्तर
Lower fixed point: On the Fahrenheit scale is the mark at which pure ice melts. It is 32°F on Fahrenheit scale.
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संबंधित प्रश्न
Write down the temperature of upper fixed point,, on the Fahrenheit scale.
What is the Kelvin scale of temperature?
Why does a piece of ice when touched with hands appear cold?
Explain the following:
Water is heated generally from below.
Explain the following:
In a solid, heat is not transferred by the process of convection.
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 |
Assertion: When water is heated up to 100°C, there is no raise in temperature until all water gets converted into water vapour.
Reason: Boiling point of water is 10°C.
Kelvin is written as K also known as absolute scale as it starts from absolute zero temperature.
