Final answer:
The human eye is capable of detecting around 10 million unique colors, not just 30 shades of gray. This is due to the presence of three types of cones in the eye's retina that are sensitive to different ranges of electromagnetic wavelengths.
Step-by-step explanation:
The statement that the human eye is only able to detect 30 shades of gray depending on the lighting is False. The human eye is capable of detecting around 10 million unique colors, not just 30 shades of gray. This is due to the presence of three types of cones in the eye's retina that are sensitive to different ranges of electromagnetic wavelengths, allowing us to perceive a wide range of colors.