FORESTRY
REMOTE SENSING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In visible region, blue light is having a wavelength range from (answer in micrometer)
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0.42-052 mic m
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0.24-0.52 mic m
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0.45-0.92 mic m
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0.22-0.32 mic m
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Explanation:
Detailed explanation-1: -Narrow-spectrum blue light (also called blue LED light or short-wavelength LED light) is a type of high-energy visible light, defined as having a wavelength between 400 and 450 nm.
Detailed explanation-2: -Blue and purple light have short waves, around 400 nm. Shorter waves vibrate at higher frequencies and have higher energies. Red light has a frequency around 430 terahertz, while blue’s frequency is closer to 750 terahertz.
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