3
Question
Q. Despite Sun being overhead throughout the year at the equator, it receives comparatively less insolation than tropics. This is because
Which of the statements given above is/are correct?
Q. Despite Sun being overhead throughout the year at the equator, it receives comparatively less insolation than tropics. This is because
Which of the statements given above is/are correct?Open in App
Solution
The correct option is A
1 only
Explanation :
Statement 1 is correct: Generally, at the same latitude the insolation is more over the continent than over the oceans, because oceans are cloudier due to greater evaporation. Similarly, in the equator, evaporation is high, cloudiness is high and rains are frequent. Clouds reflect incoming solar insolation and send it back to space which reduces the insolation.
Statement 2 is incorrect: Zero Coriolis force would mean that winds are not deflected with great force at the equator, as they are at the subtropics. It is an apparent force that acts on objects that are in motion. It is not the reason for less insolation in the equator when compared to the tropics.
1 only
Explanation :
Statement 1 is correct: Generally, at the same latitude the insolation is more over the continent than over the oceans, because oceans are cloudier due to greater evaporation. Similarly, in the equator, evaporation is high, cloudiness is high and rains are frequent. Clouds reflect incoming solar insolation and send it back to space which reduces the insolation.
Statement 2 is incorrect: Zero Coriolis force would mean that winds are not deflected with great force at the equator, as they are at the subtropics. It is an apparent force that acts on objects that are in motion. It is not the reason for less insolation in the equator when compared to the tropics.
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