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प्रश्न
Fill in the following blank using suitable word:
The normal temperature of a human body is .............
उत्तर
The normal temperature of a human body is 37°C.
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संबंधित प्रश्न
Calculate the amount of heat energy required to raise the temperature of 100 g of copper from 20°C to 70°C. specific heat capacity of copper = `390 J kg^-1 K^-1`.
1.0 kg of water is contained in a 1.25 kW kettle. Calculate the time taken for the temperature of water to rise from 25° C to its boiling point of 100°C. Specific heat capacity of water = 4.2 J g-1K-1.
(i) Name the physical quantity which is measured in calories.
(ii) How is calorie related to the S.I. unit of that quantity ?
Express -400C on the Fahrenheit scale.
Give scientific reasons for the following:
Bottled drinks are cooled more effectively when surrounded by lumps of ice than by cold water at 0°.
Fill in the following blank using suitable word:
Two bodies in contact are said to be in thermal equilibrium, if they have same ...........
A mass of 50 g of a certain metal at 150° C is immersed in 100 g of water at 11° C. The final temperature is 20° C. Calculate the specific heat capacity of the metal. Assume that the specific heat capacity of water is 4.2 J g-1 K-1.
Name the greenhouse gases.
Find the final temperature when a mass of 80g of water at 100°C is mixed with a mass of 40g of water at 25°C.
