Advertisements
Advertisements
प्रश्न
What is relative humidity? How does it differ from absolute humidity?
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Many people leave their pets in parked cars. They think they will be gone for a few minutes, or it will be alright to leave a window open. The temperature inside a parked car can rise up to more than 50°C in a matter of few minutes, irrespective of it being a hot or a cloudy day.
What would be the right thing to do if you see a pet locked inside a car on a hot day?
Fill in the blank:
Planetary winds are also called permanent or _________winds.
What is condensation?
Give a brief description of the Westerlies in the northern hemisphere.
With the help of your atlas, encyclopedias, and the Internet, find out about the climate of these places.
- Mumbai
- Delhi
- Kolkata
- London
- New York
- Sydney
What does a large difference between the temperatures of a dry-bulb thermometer and a wet-bulb thermometer of a hygrometer indicate?
Differentiate between precipitation and condensation. Give one example of each.
What are nimbus clouds?
How is the weather forecast made? Why is weather forecast necessary?
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.
