An instrument used for measuring the intensity of light
- thermometer
-
photometer
- anemometer
- hygrometer
The correct answer is: B
Explanation
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.
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