Atmosphere : Structure, air pressure and wind system
Chapter-2
Give Very short answer:
1. What is atmosphere? Write in brief with data about its structure.
āĻĒā§°িā§ąেāĻļ āĻি? āĻāϝ়াā§° āĻাঁāĻĨāύিā§° āĻŦিāώāϝ়ে āĻĄাāĻাā§° āϏৈāϤে āĻāĻŽুāĻৈ āϞিāĻāĻ।
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2. What are the main layers of the atmosphere based on chemical composition of the gases? Write briefly about the characteristics of these layers.
āĻেāĻā§° ā§°াāϏাāϝ়āύিāĻ āĻāĻ āύ⧰ āĻāĻĒā§°āϤ āĻāϧাā§°িāϤ āĻŦাāϝ়ুāĻŽāĻŖ্āĻĄāϞ⧰ āĻŽুāĻ্āϝ āϏ্āϤ⧰āĻŦোā§° āĻি? āĻāĻ āϏ্āϤ⧰āĻŦোā§°ā§° āĻŦিāĻļেāώāϤ্āĻŦāĻŦোā§°ā§° āĻŦিāώāϝ়ে āĻāĻŽুāĻৈ āϞিāĻāĻ।
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3. Write with diagram about the layers of the atmosphere based on the variations in altitude and temperature and write the characteristics of each layer in brief.
āĻāĻ্āĻāϤা āĻā§°ু āĻāώ্āĻŖāϤাā§° āϤাā§°āϤāĻŽ্āϝ⧰ āĻāĻĒā§°āϤ āĻāϧাā§°িāϤ āĻā§°ি āĻŦাāϝ়ুāĻŽāĻŖ্āĻĄāϞ⧰ āϏ্āϤ⧰⧰ āĻŦিāώāϝ়ে āύāĻ্āϏাā§° āϏৈāϤে āϞিāĻāĻ āĻā§°ু āĻĒ্ā§°āϤিāĻো āϏ্āϤ⧰⧰ āĻŦিāĻļেāώāϤ্āĻŦāĻŦোā§° āĻāĻŽুāĻৈ āϞিāĻāĻ।
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4. Discuss with example the factors responsible for variation in atmospheric pressure.
āĻāĻĻাāĻšā§°āĻŖāϏ্āĻŦā§°ূāĻĒে āĻŦাāϝ়ুāĻŽāĻŖ্āĻĄāϞীāϝ় āĻাāĻĒā§° āϤাā§°āϤāĻŽ্āϝ⧰ āĻŦাāĻŦে āĻĻাāϝ়āĻŦāĻĻ্āϧ āĻাā§°āĻāĻŦোā§° āĻāϞোāĻāύা āĻā§°āĻ।
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5. With the help of diagram discuss the characteristics of the major pressure belts of the world.
āύāĻ্āϏাā§° āϏāĻšাāϝ়āϤ āĻĒৃāĻĨিā§ąীā§° āĻŽুāĻ্āϝ āĻাāĻĒ āĻŦেāϞ্āĻāĻŦোā§°ā§° āĻŦিāĻļেāώāϤ্āĻŦāĻŦোā§° āĻāϞোāĻāύা āĻā§°āĻ।
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6. Write the importance of atmosphere towards creation of a favourable physical environment on the earth.
āĻĒৃāĻĨিā§ąীāϤ āĻāĻ āĻ
āύুāĻূāϞ āĻৌāϤিāĻ āĻĒā§°িā§ąেāĻļ āϏৃāώ্āĻিā§° āĻĻিāĻļāϤ āĻŦাāϝ়ুāĻŽāĻŖ্āĻĄāϞ⧰ āĻুā§°ুāϤ্āĻŦ āϞিāĻāĻ।
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7. What is wind? Discuss the factors of origin of wind.
āĻŦāϤাāĻš āĻি? āĻŦāϤাāĻšā§° āĻā§āĻĒāϤ্āϤিā§° āĻাā§°āĻāĻŦোā§° āĻāϞোāĻāύা āĻā§°āĻ।
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8. What is the most important reason for the origin of wind? Briefly discuss the factors determining velocity and direction of wind.
āĻŦāϤাāĻšā§° āĻā§āĻĒāϤ্āϤিā§° āĻāĻাāĻāϤāĻৈ āĻুā§°ুāϤ্āĻŦāĻĒূā§°্āĻŖ āĻাā§°āĻŖ āĻি? āĻŦāϤাāĻšā§° āĻŦেāĻ āĻā§°ু āĻĻিāĻļ āύিā§°্āϧাā§°āĻŖ āĻā§°া āĻাā§°āĻāĻŦোā§° āĻāĻŽুāĻৈ āĻāϞোāĻāύা āĻā§°āĻ।
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9. What do you mean by 'Coriolis Force'? With the help of diagram briefly describe its contribution in determining the direction of wind.
'āĻোā§°িāĻāϞিāĻ āĻĢā§°্āĻ' āĻŦুāϞিāϞে āĻāĻĒুāύি āĻি āĻŦুāĻাāϝ়? āύāĻ্āϏাā§° āϏāĻšাāϝ়āϤ āĻŦāϤাāĻšā§° āĻĻিāĻļ āύিā§°্āϧাā§°āĻŖāϤ āĻāϝ়াā§° āĻ
ā§ąāĻĻাāύ āĻāĻŽুāĻৈ āĻŦā§°্āĻŖāύা āĻā§°āĻ।
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10. What is meant by 'Pressure Gradient Force'? What is its contribution in air movement.
'āĻĒ্ā§°েāĻাā§° āĻ্ā§°েāĻĄিāϝ়েāĻŖ্āĻ āĻĢā§°্āĻ'ā§° āĻ
ā§°্āĻĨ āĻি? āĻŦাāϝ়ু āĻāϞাāĻāϞāϤ āĻāϝ়াā§° āĻ
ā§ąāĻĻাāύ āĻি।
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11. Briefly discuss the contribution of the earth's gravitational force in air movement.
āĻŦাāϝ়ু āĻāϞাāĻāϞāϤ āĻĒৃāĻĨিā§ąীā§° āĻŽাāϧ্āϝাāĻā§°্āώāĻŖ āĻļāĻ্āϤিā§° āĻ
ā§ąāĻĻাāύ⧰ āĻŦিāώāϝ়ে āĻāĻŽুāĻৈ āĻāϞোāĻāύা āĻā§°āĻ।
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12.What do you mean by naming of wind? How the wind blowing over a place is named?
āĻŦāϤাāĻšā§° āύাāĻŽ āĻĻিāϝ়াā§° āĻĻ্āĻŦাā§°া āĻāĻĒুāύি āĻি āĻŦুāĻাāϝ়? āĻāĻা āĻ াāĻā§° āĻāĻĒā§°েā§°ে āĻŦāϤাāĻšā§° āύাāĻŽ āĻেāύেāĻĻā§°ে āĻĻিāϝ়া āĻšāϝ়?
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13. How the velocity of wind is determined? What are the units of wind velocity?
āĻŦāϤাāĻšā§° āĻŦেāĻ āĻেāύেāĻĻā§°ে āύিā§°্āϧাā§°āĻŖ āĻā§°া āĻšāϝ়? āĻŦāϤাāĻšā§° āĻŦেāĻā§° āĻāĻāĻāĻŦোā§° āĻি?
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14. How the classification of wind is done? Briefly discuss with examples.
āĻŦāϤাāĻšā§° āĻļ্ā§°েāĻŖীāĻŦিāĻাāĻāύ āĻেāύেāĻĻā§°ে āĻā§°া āĻšāϝ়? āĻāĻĻাāĻšā§°āĻŖā§° āϏৈāϤে āĻāĻŽুāĻৈ āĻāϞোāĻāύা āĻā§°āĻ।
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15. What do you mean by primary circulation of wind? Show distribution of primary circulations in a diagram. Mention its important characteristics.
āĻŦāϤাāĻšā§° āĻĒ্ā§°াāĻĨāĻŽিāĻ āĻĒ্ā§°āĻŦাāĻšā§° āĻ
ā§°্āĻĨ āĻি? āύāĻ্āϏা āĻāĻāύāϤ āĻĒ্ā§°াāĻĨāĻŽিāĻ āϏāĻ্āĻাāϞāύ⧰ āĻŦিāϤ⧰āĻŖ āĻĻেāĻুā§ąাāĻāĻ। āĻāϝ়াā§° āĻুā§°ুāϤ্āĻŦāĻĒূā§°্āĻŖ āĻŦৈāĻļিāώ্āĻāĻŦোā§° āĻāϞ্āϞেāĻ āĻā§°āĻ।
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16. What is secondary circulation of wind? Discuss its contribution in determining the climate of a place with examples.
āĻŦāϤাāĻšā§° āĻৌāĻŖ āĻĒ্ā§°āĻŦাāĻš āĻি? āĻāĻĻাāĻšā§°āĻŖā§° āϏৈāϤে āĻāĻāύ āĻ াāĻā§° āĻāϞāĻŦাāϝ়ু āύিā§°্āϧাā§°āĻŖāϤ āĻāϝ়াā§° āĻ
ā§ąāĻĻাāύ⧰ āĻŦিāώāϝ়ে āĻāϞোāĻāύা āĻā§°āĻ।
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17. What is local wind? Briefly discuss with examples how local wind determining the weather condition of a place.
āϏ্āĻĨাāύীāϝ় āĻŦāϤাāĻš āĻি? āĻāĻা āĻ াāĻā§° āĻŦāϤ⧰⧰ āϏ্āĻĨিāϤি āύিā§°্āϧাā§°āĻŖ āĻā§°া āϏ্āĻĨাāύীāϝ় āĻŦāϤাāĻš āĻেāύেāĻĻā§°ে āĻāĻĻাāĻšā§°āĻŖā§° āϏৈāϤে āĻāĻŽুāĻৈ āĻāϞোāĻāύা āĻā§°āĻ।
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18. What is a cyclone? What are its types? Mention briefly how it influences the climate of a place?
āĻূā§°্āĻŖীāĻŦāϤাāĻš āĻি? āĻāϝ়াā§° āĻĒ্ā§°āĻাā§°āĻŦোā§° āĻি? āĻāĻŽুāĻৈ āĻāϞ্āϞেāĻ āĻā§°āĻ āϝে āĻ āĻেāύেāĻৈ āĻ াāĻāĻāĻāύ⧰ āĻāϞāĻŦাāϝ়ুāĻ āĻĒ্ā§°āĻাā§ąিāϤ āĻā§°ে?
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19. what is an air mass? How it is classified? What is its contribution in determining the climate of a place?
āĻŦাāϝ়ুā§° āĻā§° āĻিāĻŽাāύ? āĻāϝ়াāĻ āĻেāύেāĻĻā§°ে āĻļ্ā§°েāĻŖীāĻŦāĻĻ্āϧ āĻā§°া āĻšāϝ়? āĻāĻāύ āĻ াāĻā§° āĻāϞāĻŦাāϝ়ু āύিā§°্āϧাā§°āĻŖ āĻā§°াāϤ āĻāϝ়াā§° āĻ
ā§ąāĻĻাāύ āĻি?
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20. What do you mean by 'Front'? How it is formed? Briefly discuss the relationship between climate and front.
āĻāĻĒুāύি 'āĻĢ্ā§°āĻŖ্āĻ' āĻŦুāϞি āĻি āĻŦুāĻাāϝ়? āĻāϝ়াāĻ āĻেāύেāĻĻā§°ে āĻāĻ āύ āĻā§°া āĻšāϝ়? āĻāϞāĻŦাāϝ়ু āĻā§°ু āϏāύ্āĻŽুāĻā§° āĻŽাāĻā§° āϏāĻŽ্āĻĒā§°্āĻ āĻāĻŽুāĻৈ āĻāϞোāĻāύা āĻā§°āĻ।
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21. What do you mean by 'Monsoon Wind'? How it is formed? In which areas of the earth its impact is quite distinct?
'āĻŽৌāĻুāĻŽী āĻŦāϤাāĻš' āĻŦুāϞি āϞে āĻāĻĒুāύি āĻি āĻŦুāĻাāĻāĻে? āĻāϝ়াāĻ āĻেāύেāĻĻā§°ে āĻāĻ āύ āĻā§°া āĻšāϝ়? āĻĒৃāĻĨিā§ąীā§° āĻোāύāĻŦোā§° āĻāϞেāĻাāϤ āĻāϝ়াā§° āĻĒ্ā§°āĻাā§ą āĻāĻেāĻŦাā§°ে āĻĒৃāĻĨāĻ?
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22. Write with reasons :
āĻাā§°āĻŖā§° āϏৈāϤে āϞিāĻāĻ:
(a) Why do all weather phenomena occur mainly in troposphere?
āϏāĻāϞো āĻŦāϤ⧰⧰ āĻĒā§°িāĻāĻāύা āĻŽুāĻ্āϝāϤঃ āĻ্ā§°োāĻĒোāϏ্āĻĢিāϝ়াā§°āϤ āĻিāϝ় āĻāĻে?
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(b) What would be the consequence of the increase in the amount of carbon dioxide?
āĻাā§°্āĻŦāύ āĻĄাāĻ āĻ
āĻ্āϏাāĻāĻĄā§° āĻĒā§°িāĻŽাāĻŖ āĻŦৃāĻĻ্āϧিāĻšোā§ąাā§° āĻĒā§°িāĻŖাāĻŽ āĻি āĻš'āĻŦ?
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(c) What is the behind the prevalence of high pressure of dry air than moist air?
āĻā§°্āĻĻ্ā§° āĻŦাāϝ়ুāϤāĻৈ āĻļুāĻাāύ āĻŦাāϝ়ুā§° āĻāĻ্āĻ āĻাāĻĒā§° āĻĒ্ā§°āĻāϞāύ⧰ āĻঁā§°āϤ āĻি āĻāĻে?
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(d) How does the ozone layer help the living-beings?
āĻāĻোāύ āϏ্āϤ⧰ে āĻীā§ą-āĻāύ্āϤুāĻ āĻেāύেāĻĻā§°ে āϏāĻšাāϝ় āĻā§°ে?
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(e) Why is the air pressure highest at the sea level?
āϏাāĻā§° āĻĒৃāώ্āĻ āϤ āĻŦাāϝ়ুā§° āĻাāĻĒ āĻিāϝ় āϏ⧰্āĻŦাāϧিāĻ?
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(f) What is the reason behind variation in vertical extent of the troposphere in the polar region and equatorial region?
āĻŽেā§°ু āĻ
āĻ্āĻāϞ āĻā§°ু āĻŦিāώুā§ąীāϝ় āĻ
āĻ্āĻāϞāϤ āĻ্ā§°োāĻĒোāϏ্āĻĢিāϝ়াā§°ā§° āĻāϞāĻŽ্āĻŦ āĻĒā§°িāϏ⧰⧰ āϤাā§°āϤāĻŽ্āϝ⧰ āĻাā§°āĻŖ āĻি?
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(g) Why is the horizontal movement of wind parallel to the r=earth's surface not felt in the equatorial low pressure belt?
āĻŦিāώুā§ąীāϝ় āύিāĻŽ্āύ āĻাāĻĒ āĻŦেāϞ্āĻāϤ āĻā§°=āĻĒৃāĻĨিā§ąীā§° āĻĒৃāώ্āĻ ā§° āϏāĻŽাāύ্āϤ⧰াāϞāĻাā§ąে āĻŦāϤাāĻšā§° āĻĒāĻĨাāϞি āĻāϞাāĻāϞ āĻিāϝ় āĻ
āύুāĻā§ą āĻā§°া āύāĻšāϝ়?
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23. Give short answer to the following questions :
āύিāĻŽ্āύāϞিāĻিāϤ āĻĒ্ā§°āĻļ্āύāĻŦোā§°ā§° āĻāĻŽু āĻāϤ্āϤ⧰ āĻĻিāϝ়āĻ:
(a) What is the vertical extent of the atmosphere?
āĻŦাāϝ়ুāĻŽāĻŖ্āĻĄāϞ⧰ āĻāϞāĻŽ্āĻŦ āĻĒā§°িāϏ⧰ āĻিāĻŽাāύ?
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(b) Up to what altitude from the earth's surface does chemical composition of gases remain almost same?
āĻĒৃāĻĨিā§ąীā§° āĻĒৃāώ্āĻ ā§° āĻĒā§°া āĻিāĻŽাāύ āĻāĻ্āĻāϤাāϞৈāĻে āĻেāĻā§° ā§°াāϏাāϝ়āύিāĻ āĻāĻ āύ āĻĒ্ā§°াāϝ় āĻāĻে āĻĨাāĻে?
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(c) What is the name of the boundary between homosphere and heterosphere?
āĻšোāĻŽোāϏ্āĻĢেāϝ়াā§° āĻā§°ু āĻšেāĻেā§°োāϏ্āĻĢেāϝ়াā§°ā§° āĻŽাāĻā§° āϏীāĻŽাā§° āύাāĻŽ āĻি?
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(d) What is Ferrell's Law?
āĻĢেā§°েāϞ⧰ āύিāϝ়āĻŽ āĻি?
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(e) What is Beaufort Scale? Write briefly about the utility of this scale with example.
āĻŦিāĻāĻĢā§°্āĻ āϏ্āĻেāϞ āĻি? āĻāĻĻাāĻšā§°āĻŖā§° āϏৈāϤে āĻāĻ āϏ্āĻেāϞ⧰ āĻāĻĒāϝোāĻিāϤাā§° āĻŦিāώāϝ়ে āĻāĻŽুāĻৈ āϞিāĻāĻ।
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(f) Write in brief about Lapse Rate.
āϞেāĻĒāĻ ā§°েāĻā§° āĻŦিāώāϝ়ে āĻāĻŽুāĻৈ āϞিāĻāĻ।
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24. Write short note :
āĻāĻŽু āĻোāĻা āϞিāĻāĻ :
(a) Homosphere
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(b) Heterosphere
āĻšেāĻেā§°োāϏ্āĻĢেāϝ়াā§°
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(c) Air temperature, earth's surface height and air pressure relationship
āĻŦাāϝ়ুā§° āĻāώ্āĻŖāϤা, āĻĒৃāĻĨিā§ąীā§° āĻĒৃāώ্āĻ ā§° āĻāĻ্āĻāϤা āĻā§°ু āĻŦাāϝ়ুāĻাāĻĒā§° āϏāĻŽ্āĻĒā§°্āĻ
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(d) Polar High Pressure Belt
āĻĒোāϞাā§° āĻšাāĻ āĻĒ্ā§°েāĻাā§° āĻŦেāϞ্āĻ
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(e) Wind system
āĻŦাāϝ়ু āĻĒ্ā§°āĻŖাāϞী
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(f) Pressure Gradient
āĻĒ্ā§°েāĻাā§° āĻ্ā§°েāĻĄিāϝ়েāύ্āĻ
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(g) Trade wind
āĻŦাāĻŖিāĻ্āϝ āĻŦāϤাāĻš
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(h) Horse Latitude
āĻোঁā§°াāĻ
āĻ্āώাংāĻļ
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(i) Rearing Forties
āĻāϞ্āϞিāĻļā§° āĻĻāĻļāĻ āĻĒ্ā§°āϤিāĻĒাāϞāύ āĻā§°া
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(j) Anticyclone
āĻāĻŖ্āĻিāĻাāĻāĻ্āϞোāύ
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(k) Jet Stream
āĻেāĻ āϏ্āĻ্ā§°িāĻŽ
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(l) Isobar
āĻāĻāĻোāĻŦাā§°
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(m) Tropical Cyclone
āĻ্ā§°াāύ্āϤীāϝ় āĻূā§°্āĻŖীāĻŦāϤাāĻš
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25. Write the differences :
āĻĒাā§°্āĻĨāĻ্āϝāĻŦোā§° āϞিāĻāĻ:
(a) Horizontal wind and vertical cyclone
āĻĒāĻĨাāϞি āĻŦāϤাāĻš āĻā§°ু āĻāϞāĻŽ্āĻŦ āĻূā§°্āĻŖীāĻŦāϤাāĻš
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(b) Wind and Air mass
āĻŦāϤাāĻš āĻā§°ু āĻŦাāϝ়ুā§° āĻā§°
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(c) Tropical cyclone and Extra-tropical cyclone
āĻ্ā§°াāύ্āϤীāϝ় āĻূā§°্āĻŖীāĻŦāϤাāĻš āĻā§°ু āĻ
āϤিā§°িāĻ্āϤ āĻ্ā§°াāύ্āϤীāϝ় āĻূā§°্āĻŖীāĻŦāϤাāĻš
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(d) Sea breeze and Land breeze
āϏাāĻā§°ীāϝ় āĻŦāϤাāĻš āĻā§°ু āĻূāĻŽি āĻŦāϤাāĻš
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(e) Mountain wind and valley wind
āĻĒā§°্āĻŦāϤāĻŦāϤাāĻš āĻā§°ু āĻāĻĒāϤ্āϝāĻাā§° āĻŦāϤাāĻš
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(f) Cyclone and Anticyclone
āĻূā§°্āĻŖীāĻŦāϤাāĻš āĻā§°ু āĻূā§°্āĻŖীāĻŦāϤাāĻš āĻŦিā§°োāϧী
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(g) Cold Front and Warm Front
āĻোāϞ্āĻĄ āĻĢ্ā§°āĻŖ্āĻ āĻā§°ু ā§ąাā§°্āĻŽ āĻĢ্ā§°āĻŖ্āĻ
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(h) Cold wave and Hot Wave
āĻ াāĻŖ্āĻĄা āĻĸৌ āĻā§°ু āĻā§°āĻŽ āĻĸৌ
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(i) Troposphere and Stratosphere
āĻ্ā§°োāĻĒোāϏ্āĻĢেāϝ়াā§° āĻā§°ু āώ্āĻ্ā§°েāĻোāϏ্āĻĢেāϝ়াā§°
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26. Find out the correct answer :
āϏāĻ িāĻ āĻāϤ্āϤ⧰āĻো āĻŦিāĻাā§°ি āĻāϞিāϝ়াāĻāĻ:
(a) Where is Ozone layer located?
āĻāĻোāύ āϏ্āϤ⧰ āĻ'āϤ āĻ
ā§ąāϏ্āĻĨিāϤ?
(1) Troposphere (2) Stratosphere
āĻ্ā§°োāĻĒোāϏ্āĻĢেāϝ়াā§° āώ্āĻ্ā§°েāĻোāϏ্āĻĢেāϝ়াā§°
(3) Mesosphere (4) Thermosphere
āĻŽেāĻোāϏ্āĻĢেāϝ়াā§° āϤাāĻĒāĻŽāĻŖ্āĻĄāϞ
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(b) What is amount of oxygen in the atmosphere in terms of volume?
āĻāϝ়āϤāύ⧰ āĻšিāĻাāĻĒāϤ āĻŦাāϝ়ুāĻŽāĻŖ্āĻĄāϞāϤ āĻ
āĻ্āϏিāĻেāύ⧰ āĻĒā§°িāĻŽাāĻŖ āĻিāĻŽাāύ?
(1) 20.94% (2) 29.01%
⧍ā§Ļ. ⧝ā§Ē āĻļāϤাংāĻļ ⧍⧝.ā§Ļā§§ āĻļāϤাংāĻļ
(3) 32.47% (4) 78.08%
ā§Šā§¨.ā§Ēā§ āĻļāϤাংāĻļ ā§ā§Ž.ā§Ļā§Ž āĻļāϤাংāĻļ
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(c) The most important reason for air movement is
āĻŦাāϝ়ু āĻāϞাāĻāϞ⧰ āĻāĻাāĻāϤāĻৈ āĻুā§°ুāϤ্āĻŦāĻĒূā§°্āĻŖ āĻাā§°āĻŖ āĻšৈāĻে
(1) Humidity difference (2) Pressure difference
āĻā§°্āĻĻ্ā§°āϤাā§° āĻĒাā§°্āĻĨāĻ্āϝ āĻাāĻĒā§° āĻĒাā§°্āĻĨāĻ্āϝ
(3) Gravitational Force (4) Centrifugal Force
āĻŽāĻšাāĻā§°্āώāĻŖীāϝ় āĻļāĻ্āϤি āĻেāĻŖ্āĻ্ā§°িāĻĢুāĻাāϞ āĻĢā§°্āĻ
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(d) The instrument used for determination of wind velocity is
āĻŦāϤাāĻšā§° āĻŦেāĻ āύিā§°্āϧাā§°āĻŖā§° āĻŦাāĻŦে āĻŦ্āĻ¯ā§ąāĻšৃāϤ āϏঁāĻুāϞিāĻো āĻšৈāĻে
(1) Wind vane (2) Anemometer
ā§ąিāĻŖ্āĻĄ āĻেāύ āĻāύিāĻŽোāĻŽিāĻাā§°
(3) Beaufort scale (4) Hydrometer
āĻŦিāĻāĻĢোā§°্āĻ āϏ্āĻেāϞ āĻšাāĻāĻĄ্ā§°āĻŽিāĻাā§°
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(e) The unit of wind velocity is
āĻŦāϤাāĻšā§° āĻŦেāĻā§° āĻāĻāĻ āĻšৈāĻে
(1) Knot (2) Milibar
āĻাঁāĻ ি āĻŽিāϞিāĻŦাā§°
(3) Percentage (4) Degree
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(f) Monsoon wind belongs to which of the following class?
āĻŽৌāĻুāĻŽী āĻŦāϤাāĻš āύিāĻŽ্āύāϞিāĻিāϤ āĻোāύāĻো āĻļ্ā§°েāĻŖীā§°?
(1) Local winds (2) Primary circulation
āϏ্āĻĨাāύীāϝ় āĻŦāϤাāĻš āĻĒ্ā§°াāĻĨāĻŽিāĻ āĻĒ্ā§°āĻāϞāύ
(3) Secondary circulation (4) Permanent wind
āĻৌāĻŖ āĻĒ্ā§°āĻāϞāύ āϏ্āĻĨাāϝ়ী āĻŦāϤাāĻš
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(g) The name of the cyclone formed in the coastal region of the Pacific Ocean in the east is
āĻĒূāĻŦে āĻĒ্ā§°āĻļাāύ্āϤ āĻŽāĻšাāϏাāĻā§°ā§° āĻāĻĒāĻূāϞীāϝ় āĻ
āĻ্āĻāϞāϤ āϏৃāώ্āĻি āĻšোā§ąা āĻূā§°্āĻŖীāĻŦāϤাāĻšā§° āύাāĻŽ āĻšৈāĻে
(1) Cyclone (2) Hurricane
āĻূā§°্āĻŖীāĻŦāϤাāĻš āĻšাā§°িāĻেāύ
(3) Willy-Willy (4) Typhoon
āĻāĻāϞি-ā§ąিāϞি āĻাāĻāĻĢুāύ
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Post Id:DABP002366