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Q: Barometer is used to measure ..........
  • A. pressure in pipes, channels etc.
  • B. atmospheric pressure
  • C. very low pressure
  • D. difference of pressure between two points
Correct Answer: Option B - Barometer – A barometer is an instrument used to measure (air pressure) atmospheric pressure. – It can measure the pressure exerted by the atmospheric by using water air or mercury. Pressure tendency can forecast short term changes in the weather. – Its length is not less than 800 mm.
B. Barometer – A barometer is an instrument used to measure (air pressure) atmospheric pressure. – It can measure the pressure exerted by the atmospheric by using water air or mercury. Pressure tendency can forecast short term changes in the weather. – Its length is not less than 800 mm.

Explanations:

Barometer – A barometer is an instrument used to measure (air pressure) atmospheric pressure. – It can measure the pressure exerted by the atmospheric by using water air or mercury. Pressure tendency can forecast short term changes in the weather. – Its length is not less than 800 mm.