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प्रश्न
Give a scientific reason for the following:
On a hot sunny day, it is advisable to wear light coloured clothes.
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उत्तर
People wear light colured clothes in winter because these clothes reflect most of the sun's radiations and absorb only a little of them. Therefore, they keep themselves cool.
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संबंधित प्रश्न
Explain the following
Water pipes in colder countries often burst in winter.
Define temperature on a conventional basis.
Why do we wear woolen clothes in winter?
Explain the following:
Water is heated generally from below.
If the temperature of a liquid in a container is decreased, then the interatomic distance will ______.
Assertion (A): 0 °C = 273.16 K. For our convenience we take it as 273 K after rounding off the decimal.
Reason (R): To convert a temperature on the Celsius scale we have to add 273 to the given temperature.
Assertion: Temperature is the measure of heat energy.
Reason: Energy is the capacity to do work.
What is the concept of temperature?
