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  1. An anemometer measures which of the following?
    1. Speed of light
    2. Speed of wind
    3. Speed of water current
    4. Speed of satellites
Correct Option: B

An anemometer is a device used for measuring wind speed. The term is derived from the Greek word anemos (wind). The first known description of an anemometer was given by Leon Battista Alberti in 1450.


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