Winds, Storms and Cyclones — Science STD 7 — Question
Gujarat BoardEnglish MediumSTD 7ScienceWinds, Storms and Cyclones1 Mark
MCQ
High speed winds at a place result by:
A
Increased pressure
✓
Reduced pressure
C
Water vapour
D
Static electricity
✓
Answer
Correct option: B.
Reduced pressure
We know air flows from region of higher pressure to region of lower pressure.
As the pressure of an area reduces, wind speed increases because air from surrounding region of high pressure flow to this region of low pressure.
Thus, High speed winds at a place are due to reduced air pressure at that location.
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