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प्रश्न
You have seen weather reports on television and in newspapers. How do you think we are able to predict the weather?
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उत्तर
The meteorological department of the government collects data on the elements of weather such as maximum and minimum temperatures, maximum and minimum humidity, rainfall, wind speed, etc. They are able to study these elements using various instruments. The maximum and minimum temperature of a day is measured by a thermometer known as the maximum−minimum thermometer. Rain fall is measured by an instrument known as the rain gauge. Wind speed is measured by anemometers. There are various instruments used to measure humidity.
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संबंधित प्रश्न
How is our atmosphere different from the atmospheres on Venus and Mars?
State whether the following is true or false.
The earth’s atmosphere contains 99 per cent oxygen, which is essential for life.
State whether the following is true or false.
The temperature drops at the rate of 1°C per 185 metres in the atmosphere.
State whether the following is true or false.
Communication satellites orbit in thermosphere.
Name different layers of atmosphere. Describe the important characteristics of each layer.
The lowest layer of the atmosphere is ______.
Atmosphere gets heated by conduction than solar radiation.
Wind movements cause the clouds particles to collide is _______.
Match the following.
| 1. | Troposphere | Satellite |
| 2. | Stratosphere | Space craft |
| 3. | Exosphere | Ozone layer |
| 4. | Thermosphere | Meteors |
| 5. | Mesosphere | Weather change |
Why is Heterosphere called so?
