Trough and ridge are
[amp_mcq option1=”elongated area of low pressure and of high pressure respectively” option2=”elongated areas of low pressure” option3=”elongated areas of high pressure” option4=”elongated area of high pressure and of low pressure respectively” correct=”option1″]
This question was previously asked in
UPSC CAPF – 2022
In meteorology, a trough is an elongated area of relatively low atmospheric pressure. It is often associated with fronts and can lead to unsettled weather. A ridge is an elongated area of relatively high atmospheric pressure. Ridges are typically associated with stable atmospheric conditions and fair weather.Trough and ridge are terms used in meteorology to describe the shape of isobars (lines of equal pressure) on a weather map, indicating areas of relatively low and high pressure respectively.