Question

Our eyes respond to wavelengths ranging from:

• A. 400 nm to 700 nm
• B. 700 nm to 800 nm
• C. 300 nm to 800 nm
• D. 400 nm to 800 nm

Hint:

The visible spectrum for human eyes ranges from approximately 400 nm to 700 nm.

Answer 1

The Correct Option is A

Step 1: Visible light range. The human eye is sensitive to light in the range of wavelengths from 400 nm to 700 nm, which corresponds to the visible spectrum of light.
Step 2: Conclusion. Thus, the answer is (A), 400 nm to 700 nm.