46. Relative humidity refers to

1. 1. Absolute amount of water vapour in the atmosphere

   
   
   

   2. The amount of hygroscopic nuclei in the atmosphere

   
   
   

   3. Saturated vapour pressure

   
   
   

   4. Ration of actual amount of water vapour in the air to the amount it could hold at the temperature

   
   
   

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   NA

   Correct Option: D

   NA

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47. Which of the following instruments is used to measure humidity ?

1. 1. Kata Thermometer

   
   
   

   2. Anemometer

   
   
   

   3. Sling psychrometer

   
   
   

   4. clinical Thermometer

   
   
   

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   NA

   Correct Option: C

   NA

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48. Humidity refers to

1. 1. Brackishness of water

   
   
   

   2. Latent heat

   
   
   

   3. Water vapour in the atmosphere

   
   
   

   4. None of these

   
   
   

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   NA

   Correct Option: D

   NA

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49. The mass of water vapour divided by the mass of dry air in a volume of air at a given temperature is called

1. 1. Absolute humidity

   
   
   

   2. Specific humidity

   
   
   

   3. Relative humidity

   
   
   

   4. Humidity during rain

   
   
   

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   NA

   Correct Option: A

   NA

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50. Relative humidity of atmosphere is measured by

1. 1. Hydrometer

   
   
   

   2. Hygrometer

   
   
   

   3. Potentiometer

   
   
   

   4. Lactometer

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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