A . Air pressure on land surface (sea level) is equal to 1.03 or 1 kg weight per square centimetre. That is, the air pressure at the surface is 80 millimetres or 1,013.2 millibars.
Q .Give an example of a temporary wind flow.
A. Land wind or sea wind or monsoon wind is an example of temporary wind flow.
Q.In what way does solar heat reach the surface?
A. Solar heat reaches the surface by radiation method.
Question: - Which instrument is used to measure the maximum and minimum temperature of the day?
Ans: - Maximum and minimum temperature of the day is measured with the help of maximum and minimum temperature instrument.
Q. What are the units for measuring the temperature of the atmosphere?
A. Centigrade and Fahrenheit are the unit for measuring the temperature of the atmosphere.
Q. How many degrees centigrade is equal to 320 Fahrenheit temperature?
A. Fahrenheit equals temperature of 00 centigrade.
Q. In which hemisphere is the curvature of the equator greater?
A. The curvature of tropics is higher in Northern Hemisphere.
Q. In which hemisphere is the curvature of the equator less?
A. Curvature of tropics is less in Southern Hemisphere.
Q. What is the air pressure per square centimetre at sea level?
A. The air pressure per square centimetre at sea level is 60 millimetres or 1013.2 millibars.
Q. How much the air pressure decreases with every elevation of 110 meters above sea level?
A. Every 110 meters above sea level the air pressure increases by 1 cm. Decreases.
Q. What is an anemometer?
A. The instrument for determining the velocity of air flow is called an anemometer.
Q. Which region is called Roaring Forty?
A. The region between 400-500 south latitudes is called thunderous forty.
Q. At what time the sea air flows?
A. Ocean air flows during the day.
Q. At what time does the ground air flow?
A. Ground air flows at night.
Q. Which monsoon wind does not rain?
A. It does not rain due to winter monsoon winds.
Q. Which air is a wider version of sea air and land air?
A. Monsoon is a comprehensive version of ocean air and land air.
Q. In China, Japan, etc., in which direction the summer monsoon winds blow?
A. In countries like China, Japan, summer monsoon winds blow from south-east direction.
Q. What is typhoon?
A. Cyclone Typhoon in the China Sea.
Q. What is a hurricane?
A. The cyclone of the West Indian Islands is known as Hurricane.
Q. What are the cyclones of Bangladesh and West Bengal known as?
A. Cyclones of Bangladesh and West Bengal are known as Kalbaishakhi and Ashwin storms.
Q. What is Circo?
A. Circo is the name of a type of local wind that blows in Sicily.
Q. At what time does the wind blow?
A. Lu wind blows in summer.
Q.Which instrument is used to determine the humidity of air?
A. Humidity of air is calculated with the help of dry and humid well hygrometer.
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