Question

What is a barometer ?

Answer 1

an instrument that measures air pressure and indicates changes in weather

वायु का दाब मापने और मौसम में परिवर्तन का संकेत देने वाला यंत्र; वायुदाबमापी

mark as BRAINLIST

Answer 2

A barometer is a scientific instrument used in meteorology to measure atmospheric pressure. Pressure tendency can forecast short term changes in the weather. Many measurements of air pressure are used within surface weather analysis to help find surface troughs, high pressure systems and frontal boundaries.