Answer:
The best way to light a subject against a white background is by lighting both the background and the subject separately. By doing so, you can create a bright and even background without shadows or uneven spots, while also highlighting the subject and creating depth and dimensionality. Using a lighting setup such as a softbox or umbrella can help diffuse the light and create a more flattering and natural-looking image. It's also important to consider the color temperature of the lighting and adjust it as needed to ensure accurate color representation.
Step-by-step explanation: