The contact of two air masses differing sharply in humidity originates: .[CDS 2001]

Related MCQs

• Consider the following statements: 1. Tropical cyclones have circular isobars. 2. Tropical cyclones originate· entirely within tropical air mass. 3. The intensity and magnitude of hurricanes generally exceed those of typhoons. 4. Tropical cyclones are more destructive than the western disturbances. Select the correct answer by using the following codes: [CDS 2001]
• When the relative humidity is 50 percent and air temperature is 30°C, a cooling of air mass: [NDA 1990]
• Which of the following are the ideal conditions for the phenomenon of temperature inversion to occur? [IAS 2001] 1. Long nights 2. Cloudy sky 3. Calm and stable air 4. Dry air
• Consider the following statements regarding the distribution and pattern of isotherms 1. In the northern hemisphere, isotherms bend sharply equator-ward over the continents during winter. 2. Temperature gradients are greater in summer than in winter in the northern hemisphere. Which of the statement(s) given above is/are correct? [IAS 2009]
• A blackhole is a : [CDS 1999, 2001]
• When it is 12.00 noon at Delhi (77° 10'E), people at another place on earth take their 6 o'clock morning tea. The longitude of that place is: [CDS 2001]
• Wind in the Southern hemisphere is deflected towards left due to : [CDS 2001]
• What is the correct sequence of the given clouds from low to high altitudes? [CDS 2001]
• Consider the following statements regarding the atmosphere of the earth: 1. It is enveloping the earth because of gravity. 2. Its density decreases with increasing height from the surface of the earth. 3. Its characteristic composition is same throughout its height. 4. Amount of pressure it exerts on earth's surface at sea level is called one atm sphere. Which of these statements are correct? [CDS 2001]
• Which one of the following pairs is correctly matched? [CDS 2001]