QuestionAugust 17, 2025

Why are some EMR types invisible to human eyes? They travel faster Their wavelengths are too long or short They reflect light They absorb sunlight

Why are some EMR types invisible to human eyes? They travel faster Their wavelengths are too long or short They reflect light They absorb sunlight
Why are some EMR types invisible to human eyes?
They travel faster
Their wavelengths are too long or short
They reflect light
They absorb sunlight

Solution
4.5(171 votes)

Answer

Their wavelengths are too long or short Explanation 1. Understand EMR Visibility Human eyes can only detect electromagnetic radiation (EMR) within the visible spectrum, which ranges from approximately 400 nm to 700 nm in wavelength. 2. Analyze Wavelengths EMR types with wavelengths outside this range are invisible because they are either too long (infrared, radio waves) or too short (ultraviolet, X-rays, gamma rays) for human eyes to detect.

Explanation

1. Understand EMR Visibility<br /> Human eyes can only detect electromagnetic radiation (EMR) within the visible spectrum, which ranges from approximately 400 nm to 700 nm in wavelength.<br /><br />2. Analyze Wavelengths<br /> EMR types with wavelengths outside this range are invisible because they are either too long (infrared, radio waves) or too short (ultraviolet, X-rays, gamma rays) for human eyes to detect.
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