Name the instrument used to measure relative humidity -

Name the instrument used to measure relative humidity - Correct Answer Hygrometer

আপেক্ষিক আর্দ্রতা পরিমাপের যন্ত্র হলো - Hygrometer, তরলের ঘনত্ব পরিমাপক যন্ত্র - Hydrometer, বাতাসের চাপ মাপার যন্ত্র হলো - Barometer ।
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