Question
The instrument used for measuring cloud height is called as _______
This question was previously asked in
CUET PG 2026 Agri-Business Management Question Paper (25-Mar-2026) (Shift 2)
The correct answer is
Ceilometer
Instrument for Measuring Cloud Height
The instrument specifically used for measuring the vertical distance from the ground to the base of a cloud layer is known as a Ceilometer.
Ceilometer Functionality
- Ceilometers typically employ methods like laser or lidar beams to detect airborne particles (like water droplets or ice crystals in clouds).
- By measuring the time it takes for the light signal to return after reflecting off the cloud base, the instrument calculates the cloud height accurately.
- This measurement is vital for aviation safety and weather forecasting.
Distinguishing Other Instruments
The other instruments listed serve different purposes:
- Assmann psychrometer: Used to measure humidity (dew point and relative humidity).
- Anemometer: Measures wind speed.
- Pyrgeometer: Measures longwave infrared radiation emitted from the Earth and atmosphere.
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