Geography
Jyoti and her family had gone to the Little Andaman Island for a holiday. It was a clear day when the sky became dark with clouds and there was heavy rain late in the afternoon. This was the case every day that they spent there. What type of rainfall is this?
- Relief
- Convectional
- Cyclonic
- Frontal
Humidity
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Answer
Convectional
Reason — Little Andaman Island, being close to the Equator, experiences intense heating during the day. The warm, moist air rises by convection, cools, condenses into clouds, and produces heavy afternoon rainfall. This type of rainfall, which commonly occurs around 4 p.m. in equatorial regions, is known as convectional rainfall or the "4 O'clock Shower."
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Related Questions
Which of the following is incorrect ?
- Frontal rainfall: cyclones
- Convectional rainfall: 4 o'clock showers
- Cyclonic rainfall: mountains
- Relief rainfall : mountain barriers
In the month of August after many rainy days there was a clear Sunday. We went for a picnic to a park. We felt so hot and uncomfortable that we changed plans and went to watch a movie instead. What caused us this discomfort?
- Latent heat released as a result of condensation raised the temperature.
- High humidity due to the rains of the previous day.
- Heat released from the surface of the earth raised the temperature.
- None of the above.
What determines the amount of water vapour in the air?
How is relative humidity determined?