Which of the following pairs (instrument–use) is NOT correctly matched?

Correct option is C

The correct answer is (c) Hygrometer – Water table
Explanation:
· Anemometer → Measures wind speed
· Barometer → Measures atmospheric pressure
· Hygrometer → Measures humidity (moisture content in air), NOT water table
· Water table is measured using a Piezometer or Water level indicator.
· Planimeter → Measures area of irregular shapes
Thus, Hygrometer – Water table is the incorrect pair.
Additional Information:
· Hygrometers are used in weather stations, greenhouses, and HVAC systems.
· Water table levels are important in groundwater and hydrology studies.