Anemometer is used to measure -a)Direction of windb)Speed of windc)The pressure gradientd)Humidity of windCorrect answer is option 'B'. Can you explain this answer?

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An anemometer is an instrument that measures wind speed and wind pressure. Anemometers are important tools for meteorologists who study weather patterns. They are also important to the work of physicists, who study the way air moves.

Answer

Anemometer: Measuring Wind Speed
An anemometer is a crucial instrument used in meteorology for measuring wind speed. Understanding its functionality is essential for various applications, including weather forecasting, aviation, and environmental studies.
How Anemometers Work
- Anemometers typically consist of rotating cups or blades that are pushed by the wind.
- The speed at which these cups or blades rotate is directly proportional to the wind speed.
- Different types of anemometers, like cup anemometers and vane anemometers, utilize this principle but may have varying designs.
Importance of Measuring Wind Speed
- Weather Forecasting: Accurate wind speed measurements help meteorologists predict weather patterns and storms.
- Aviation: Pilots rely on wind speed data for takeoff, landing, and in-flight navigation.
- Renewable Energy: Wind speed measurements are critical for assessing the viability of wind farms.
What Anemometers Do Not Measure
- While anemometers are excellent for measuring wind speed, they do not measure:
- Direction of Wind: This is measured by a wind vane.
- Pressure Gradient: This involves different measurements, typically done with barometers.
- Humidity of Wind: Humidity is measured using hygrometers.
In summary, the anemometer is an essential tool for measuring the speed of wind, making it particularly useful across various fields that rely on accurate weather data.

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