What do we use to measure the intensity of the light on a subject? White balance Light meter A modifier Our eyes

The question is asking about the tool or method used to measure the intensity of light on a subject. Let's analyze each option:<br />1. White balance: This is a camera setting that ensures that the colors in a photo are accurate. It does not measure light intensity.<br />2. Light meter: This is a device used by photographers to measure the amount of light in a scene. It helps in determining the correct exposure settings for a photograph.<br />3. A modifier: This refers to a device that changes the direction, quality, or intensity of light. It does not measure light intensity.<br />4. Our eyes: While our eyes can detect light, they are not a precise tool for measuring light intensity in photography.<br />Based on the above analysis, the correct answer is "Light meter".