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    Exam 4: Astronomical Telescopes and Instruments: Extending Humanitys Vision
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    What Is the Longest Wavelength of Light That Can Be
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What Is the Longest Wavelength of Light That Can Be

Question 90

Question 90

Multiple Choice

What is the longest wavelength of light that can be seen with the human eye?


A) 400 nanometres
B) 700 nanometres
C) 7000 nanometres
D) 3×108 m

Correct Answer:

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