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प्रश्न
It is a hot summer day, Priyanshi and Ali are wearing cotton and nylon clothes respectively. Who do you think would be more comfortable and why?
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उत्तर
Priyanshi is wearing cotton clothes which are more comfortable in summers because cotton absorbs the sweat which causes cooling on evaporation. Ali is wearing nylon clothes that do not absorb sweat. Hence, Ali will be uncomfortable.
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संबंधित प्रश्न
The temperature at which a solid convert into a liquid is called its .........
Explain the term Melting.
State the melting point of ice.
The fixed temperature at which matter changes state from solid to liquid is called ______.
What are the changes of state in water? Explain.
Analogy:
Melting: ice into water on heating,
freezing: _______.
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Conversion of solid state to liquid state is called fusion; what is meant by latent heat of fusion?
In an endothermic process, the speed of the molecules is ______ hence they move faster.
A change of state is a change of a substance from ______.
