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Subject :NSO    Class : Class 7

When high speed wind blows, an umbrella held upright sometimes get upturned. The reason being

A High speed wind creates a high pressure zone above and below the umbrella
B High speed wind creates a low pressure zone above and high pressure zone below the umbrella
C High speed wind creates a low pressure zone below and high pressure zone above the umbrella
D None of these


Ans 1:

Class : Class 8

Ans 2:

Class : Class 9
The answer is option B. Since the high speed winds create low pressure are, the umbrella would tend to move from high to low pressure area

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