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प्रश्न
Explain the following:
It is cool in the shade, when it is hot outside.
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उत्तर
As earth surface gets heated by sun rays and due to process of convection the air near earth surface open to sunlight get heated while in shade sun rays does not fall on earth surface so air near that surface would not heat up.
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संबंधित प्रश्न
Define temperature and write its S.I. unit.
Fill in the blank with the correct word, from the words in option:
All the temperature on the kelvin scale are in ____ figures.
Name the substance which contracts when heated from 00C to 40C.
State three main characteristics of a thermometric substance.
State one use of each of the following type of thermometer:
Six's maximum and minimum thermometer.
Draw a neat and labeled diagram of a Six's maximum and minimum thermometer. Explain briefly, the working of this thermometer. Give a use of this thermometer.
Give reasons why –
gaps are left between railway tracks
What is the minimum possible temperature? Is there also a maximum possible temperature?
