What lighting direction can make a flower’s petals almost glow?

When the lighting direction is at 180 degree to the flower petal, then the flower petals almost seem to glow. It can also happen if the petals are backlit. The edges of the flower petals tend to glow due to the light coming from the back. I hope the answer helps you.

The correct answer is back lighting.

Explanation:

Light direction is the primary direction of the light which can hit the flower.

Backlighting is a design technique which helps the flowers shine in a garden using sunlight during sunrise or sunset or in photo-studio labs.

This technique helps to emphasize the transparency of the petals when intense light is used for most of the flowers while soft and low light for a few flowers. In gardens also during the golden hours of the day, this technique is helpful.

Thus, backlighting is the correct answer.

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