What Wavelength Monochromatic Source in the Visible Region (390 to 710

question 54

Multiple Choice

What wavelength monochromatic source in the visible region (390 to 710 nm) can be used to constructively reflect off a soap film (n = 1.46) in air if the film is 288 nm thick?

• A) 561 nm
• B) 480 nm
• C) 587 nm
• D) 467 nm

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Definitions:

NearSightedness

A common vision condition where close objects are seen clearly, but distant objects appear blurred, also known as myopia.

Nearsighted

A condition in which close objects appear clearly, but distant objects are blurry, also known as myopia.

Light Focuses

Refers to the convergence, bending, or direction of light rays to a point, which is fundamental in optics for creating images in cameras, telescopes, and the human eye.

Retina

A thin layer of tissue at the back of the eye that contains cells sensitive to light, which convert images into electrical signals sent to the brain.