Regarding visible light and the electromagnetic spectrum, which statement is NOT

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1. Regarding visible light and the electromagnetic spectrum, which statement is NOT correct?

The longest wavelength visible to the human eye is about 700 nm

The shortest wavelength visible to the human eye is about 400 nm

Gamma rays have a longer wavelength than X-rays

A telescope’s ability to separate images of close objects is called its resolving power

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Gamma rays actually have a shorter wavelength, and higher energy, than X-rays, not a longer one — making this the incorrect statement.