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Q. |
Anemometer is used to measure – |
A. | wind direction |
B. | wind velocity |
C. | pressure gradient |
D. | wind speed and time |
Answer» B. wind velocity | |
Explanation: An anemometer is a device for measuring wind speed, and is a common weather station instrument. The first known description of an anemometer was given by Leon Battista Alberti around 1450. |
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