Advertisements
Advertisements
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?
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.
APPEARS IN
संबंधित प्रश्न
Explain the term Melting Point.
Describe an experiment to demonstrate that a substance absorbs heat during melting without change in its temperature.
State the melting point of ice.
Analogy:
Melting: ice into water on heating,
freezing: _______.
A student heats a beaker containing ice and water. He measures the temperature of the content of the beaker as a function of time. Which of the following (Fig. 1.1) would correctly represent the result? Justify your choice.
Conversion of solid state to liquid state is called fusion; what is meant by latent heat of fusion?
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?
