A Pair of Narrow Slits,separated by 1

question 31

Multiple Choice

A pair of narrow slits,separated by 1.8 mm,is illuminated by a monochromatic light source.Light waves arrive at the two slits in phase,and a fringe pattern is observed on a screen 4.8 m from the slits.If there are 5.0 complete bright fringes per centimeter on the screen near the center of the pattern,what is the wavelength of the monochromatic light?

• A) 550 nm
• B) 600 nm
• C) 650 nm
• D) 700 nm
• E) 750 nm

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Definitions:

Cochlea

The spiral-shaped, fluid-filled inner ear structure responsible for converting sound waves into nerve impulses to be interpreted by the brain.

Trichromat

A person with normal color vision.

Dichromat

A person who is sensitive to black–white and either red–green or blue–yellow and hence is partially color–blind.

Bichromat

An individual with the ability to perceive only two of the three primary colors due to a form of color vision deficiency.