JAMB - Physics (2024 - No. 119)
Photometer is used to measure
Kinetic energy of liberated electrons
Intensity of light
frequency of light
wavelength of light
解释
A photometer is used to measure the intensity of light.
Photometers can determine the brightness of light sources, compare light intensity from different sources, or measure the amount of light reaching a specific point. They are commonly used in photography, astronomy, and various scientific applications to ensure proper lighting conditions