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प्रश्न
Why do people prefer wearing white clothes during summer?
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उत्तर
People prefer white or light coloured clothes during summer as they are good reflectors of heat and hence, they keep us cool.
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संबंधित प्रश्न
Fill in the blank
The S.I. unit of temperature is ________.
Write down the temperature of the lower fixed point on the Fahrenheit scale.
The temperature of a body rises by 1°C. What is the corresponding rise on the (a) Fahrenheit scale (b) Kelvin scale?
Name the one common unit of temperature. Write their symbols also.
Name two substances which expand on heating.
S.I. unit of temperature is :
Name or state the following:
The law which states that pressure remaining constant the volume of a given mass of dry gas is directly proportional to its absolute [Kelvin] temperature.
Define heat energy on a conventional basis.
Is heat a form of energy?
Write down the SI unit of latent heat.
State three factors affecting evaporation.
Convert the following temperature into Fahrenheit scale:
850C.
Convert the following temperature into Celsius scale:
95oF
Analogy
Heat : Joule :: Temperature : _____
Temperature of Srinagar (J&K) is -4°C and in Kodaikanal is 3°C which of them has greater temperature? What is the difference between the temperatures of these two places?
If the temperature of a liquid in a container is decreased, then the interatomic distance will ______.
1 calorie equals ______.
Match the following:
| Column-I | Column-II | |
| 1. | Length | s |
| 2. | Mass | m |
| 3. | Time | k |
| 4. | Temperature | kg |
