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प्रश्न
Who am I?
I get heated due to the land or water near me
उत्तर
Air
संबंधित प्रश्न
Name two scales of temperature. How are they interrelated?
Write down the body temperature of a healthy person.
Two bodies at different temperatures are placed in contact with each other. State the direction in which heat flows.
State three factors affecting evaporation.
Name three devices which are used to detect heat radiations.
Explain the following:
Water is heated generally from below.
Convert the following temperature into Fahrenheit scale:
600C
Convert the following temperature into Fahrenheit scale:
1000C
Give a scientific reason for the following:
In winter the birds fluff up their feathers.
Give a scientific reason for the following:
Old quits are less warm than the new ones.
Complete the following sentence:
SI unit of temperature is ______
Who am I?
I am useful for measuring the correct temperature.
Suppose your normal body temperature were lower than what it is. How would the sensation of hot and cold change?
Thermal energy always flows from a system at higher temperature to a system at lower temperature.
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?
The temperature of boiling water is ______.
Heat energy is always transferred from ______ to ______ temperatures.
