Advertisements
Advertisements
Question
Suggest two methods to find out wind direction at a given place.
Advertisements
Solution 1
The following are the two methods to find out the direction of wind.
1) While flying a kite, air exerts pressure on the kite due to which the kite flies. The direction in which the kite flies is the direction of blowing of wind.
2) While riding a bicycle, the direction in which it is difficult to ride is opposite to the direction of the blowing wind.
Therefore, while flying a kite or riding a bicycle, the wind direction at a given place can be determined.
Solution 2
1) Take a piece of a paper in your hand. Allow it to fall from your hand. It will flow in the direction in which wind is blowing.
2) You can also use a wind-pane which helps us to know accurate wind direction.
RELATED QUESTIONS
We do not feel uneasy even under enormous pressure of the atmosphere above as well as around us. Give a reason.
Mention two demerits of a simple barometer and state how they are removed in a Fortin barometer .
Why does a fountain pen leak at high altitude?
At sea level, the atmospheric pressure is 76 cm of Hg. If air pressure falls by 10 mm of Hg per 120m of ascent, what is the height of a hill where the barometer reads 70 cm Hg. State the assumption made by you.
Distinguish between the following:
Isobars and Isotherms
How does the atmospheric pressure change with altitude?
A solid weighs 2.10 N in air. It has a relative density of 8.4. How much will the body weigh if placed: In a liquid of relative density 1.2
Draw a simple diagram of a Fortin's barometer and state how it is used to measure the atmospheric pressure.
On the earth, air pressure is ______
As we go from the equator of the earth to pole of the earth, the value of acceleration due to gravity ______.
