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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
Molecules of a substance are always in a state of............ and so they possess .............
Differentiate between melting point ,giving atleast one example of each.
Explain the term Melting.
The fixed temperature at which matter changes state from solid to liquid is called ______.
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A puddle of water gets pooled around the glass of ice cream or a glass of ice cubes. When it is kept at room temperature. Give reason.
Ice does not melt rapidly because of ______.
The solid, liquid, and phases of water can coexist in equilibrium at ______.
Define latent heat of fusion?
Define the following:
Melting or fusion:
