JAMB - Biology (2024 - No. 84)
An instrument used for measuring the intensity of light
thermometer
photometer
anemometer
hygrometer
คำอธิบาย
Photometers measure the strength of electromagnetic radiation, including visible light, ultraviolet light, gamma rays, and x-rays.
An anemometer measures wind speed, wind direction, and the strength of gusts.
A hygrometer measures the amount of water vapour, or humidity, in the air or another gas.