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प्रश्न
What is relative humidity? How does it differ from absolute humidity?
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उत्तर
The relative humidity is the ratio of the actual amount of water vapour present in the air and the total amount the air can hold at a given temperature. It is expressed in percentage.
While absolute humidity is measured in grams per cubic meter.
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संबंधित प्रश्न
Write true or false. Correct the false statement.
A rise in temperature causes more condensation while a fall in temperature results in evaporation.
Fill in the blank:
The amount of cloud cover in the sky is expressed in ________
Name the factors that determine the temperature at a place.
What is condensation?
What are the local winds? Give a few examples.
Differentiate between precipitation and condensation. Give one example of each.
- Identify the four types of clouds shown in the photographs.
- Which of these causes heavy rainfall?
This could be a classroom activity. If your school laboratory has an anemometer, use it to record your city’s wind speed for a week. Use the Beaufort Scale to find out the character of wind during these days. Record your observations carefully in your notebook. You could even draw small neat sketches to show the effect of the wind.
Who am I?
I am present in the atmosphere in the form of vapour.
Complete the following table.
| Weather | Climate |
| Short-lived condition of atmosphere | |
| Does not change quickly | |
| Expressed with respect to a specific place | |
| Elements of climate: Temperature, pressure, winds, humidity and precipitation |
