The instrument used to measure the speed of the wind is
Show Hint
- Altimeter
- Anemometer
- Chronometer
- Dosimeter
The Correct Option is B
Solution and Explanation
The correct answer is Anemometer.
An anemometer is a device built specifically to measure wind speed, and in some designs also wind direction. The most familiar type has small cups mounted on arms that spin around a central axis, and the rate at which the cups rotate is converted into a wind speed reading. Anemometers are widely used in weather stations, airports, and wind energy assessment to track how fast the air is moving.
The other instruments listed measure entirely different things. An altimeter measures altitude, or height above a reference point such as sea level, and is commonly used in aircraft and mountaineering. A chronometer is a highly precise timekeeping instrument, historically important for navigation at sea. A dosimeter measures the amount of radiation exposure a person or object has received, used in fields like nuclear safety and medical radiology.
Since only the anemometer is designed to measure wind speed, option 2 is the correct answer.
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