A Young's Double-Slit Apparatus Is Set Up

question 36

Multiple Choice

A Young's double-slit apparatus is set up.A screen is positioned 1.50 m from the double slits,and the spacing between the two slits is 0.0392 mm.The distance between alternating bright fringes is 1.48 cm.What is the light source wavelength? (1 nm = 10−⁹ m)

• A) 382 nm
• B) 383 nm
• C) 352 nm
• D) 387 nm
• E) ​318 nm

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Definitions:

Visual Attention

The cognitive process of focusing on particular visual information while ignoring other visual stimuli.

Cocktail-Party Effect

The ability to focus one's auditory attention on a particular stimulus while filtering out a range of other stimuli, much like tuning into a single conversation in a noisy environment.

Selection

The process of choosing or making a decision from a set of alternatives, often used in contexts like recruitment, purchasing, or research methodology.

Attention

The act of concentrating on a particular object, task, or activity, while ignoring other stimuli.