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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
Write down the temperature of the lower fixed point on the Fahrenheit scale.
What is the Celsius scale of temperature ?
Define temperature and write its S.I. unit.
What causes a change in the temperature of a body?
Write down the SI unit of latent heat.
Is it possible to boil water in a thin paper container? Explain with a reason.
Kelvin is written as K also known as absolute scale as it starts from absolute zero temperature.
Match the following:
| Column-I | Column-II | |
| 1. | Temperature | Beam balance |
| 2. | Mass | Ruler |
| 3. | Length | Digital clock |
| 4. | Time | Thermometer |
______ is the degree of hotness or coldness of a body.
