Geography Class 7th MCQs=340

• The amount of water vapors in atmosphere is measured in gram/cm³.
• At 10^oC there is the capacity of 10gm water vapors in one cubic meter (1m³).
  
• If the amount of humidity in atmosphere is 10gm and its capacity is 20gm, then the ratio of humidity in atmosphere can be calculated by the following formula.  
• 
• Dew point: The temperature at which the air becomes saturated is called dew point.
• Condensation: When the temperature of the air reaches dew point the water vapors are condensed and form droplets. The process of transforming of water vapor in to droplets is called condensation.
• Fog: The water droplets are so small that the air keeps them suspended. This situation is called Fog.

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MCQs                       

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The air having sufficient amount of water vapor is……
a) fog                          

b) dry air         
c) humid air               

d) none of these

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The capacity of humidity in air is…………….
a) Very less                 

b) Permanent  
c) Variable                 

d) Too much

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