Which of the following is used to measure relative humidity? By: Sunday|Published on: May 19|Categories: Physics WAEC| 0 comments A. hydrometer B. barometer C. hypsometer D. hygrometer Correct Answer: Option D D. hygrometer Users Also Read These:An instrument used to measure relative humidity is the?The instrument used to measure the relative humidity is?Which of the following instruments is used to…Which of the following instruments is used to…Which of the following instrument can be used to…SEE ALSO Refraction of lights differs from reflection in that, in refraction