1.

While deciding the unit for heat, which temperatures interval is chosen? Why?

Answer»

Solution :1.While deciding the unit for heat, the temperature INTERVAL from `14.5^@C` to `15.5^@C` is chosen.
2. If we heat 1 KG of WATER by `1^@C` in DIFFERENT temperature range other than `14.5^@C` to `15.5^@C`, then the amount of heat required will be SLIGHTLY different.
3. Therefore, it is essential to define a specific temperature range from `14.5^@C` to `15.5^@C` while deciding the unit for heat.


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